Klefki

Skeleton taken over from Spirit.

Overview
########
Possessing one of the most sought-after abilities in Prankster and a movepool that complements it nicely, Klefki stands out in OU as a potent support Pokemon. It is the only Pokemon in the game with the combination of Prankster and dual screens or Spikes, and Prankster makes it very effective atusing these moves, as it doesn't have to worry about the burdens of Speed benchmarks, freeing it to direct its EVs towards bulk instead. Klefki's typing is also tremendous defensivelyand makes it difficult to wear down during the course of a match. It isn't just limited to dual screens and Spikes, though, as it has an array of other support moves to assist its team with, including the uniquely helpful Fairy Lock. However, Klefki shares a common tendency with many other support Pokemon: it lacks a large offensive presence, which makes it fairly easy to switch into. Mediocre stats prevent Klefki from really making the best out of its fantastic defensive typing, and a lack of Taunt is quite disappointing, as it makes Klefki vulnerable to Taunt itself while also making it much easier for Pokemon to set up entry hazards against it. Overall, Klefki is a rather niche Pokemon, but Prankster definitely enables it to perform its role successfully.

Dual Screens
########
name: Dual Screens
move 1: Reflect
move 2: Light Screen
move 3: Spikes
move 4: Fairy Lock
ability: Prankster
item: Light Clay
nature: Impish
evs: 252 HP / 252 Def / 4 SpD

Moves
========
The goal of this set is to set upReflect and Light Screen to benefit both Klefkiand its team. Not only do Light Screen and Reflect aid Klefki in setting up Spikes, but they also assist teammates trying to set up with boosting moves. Prankster is the icing on the cake, allowing Klefki to set up the relevant screenagainst the opponent regardless of Speed. Spikes provide even more support, benefiting teammates by potentially turning 2HKOs into OHKOs. Klefki's signature move, Fairy Lock, is an excellent move in the last slot, as it prevents both Pokemon in play from switching out in the turn after it is used, allowing it to be used as Klefki is about to be KOed so that a teammate that threatens the trapped Pokemon can setup behind the dual screens Klefki has set. However, one can use an offensive move in order for Klefki to not be total Taunt bait. Foul Play discourages physical attackers from setting up on Klefki, whereas Play Rough is a STAB attackthat 2HKOes Latios and Conkeldurr and is generally a more powerful option. Toxic can also be used to pressure Defog users such as Mandibuzz and Zapdos, which threaten to remove Klefki's Spikes and dual screens. Thunder Wave, another status move, can also be used, as the usefulness of Prankster Thunder Wave is immense in slowing down faster Pokemon.

Set Details
========
Light Clay is the item of choice to increase the duration of Reflect and Light Screen to eight turns. Klefki invests in its Defense as much as possible in order to take attacks such as Earthquake easier. However, Klefki can easily be modified to tank hits better from special attackers by investing in its Special Defense.

Usage Tips
========
This set does best as a lead for hyper offensive teams, as it gives frailer setupsweepers the bulk they need to set up and destroy teams. This includes teams with Shell Smash users, as most Shell Smash users have poor special bulk. It also helps frail wallbreakers destroy opposing offensive teams that would otherwise have the power to revenge kill them. It is not wise to sacrifice Klefki once it sets up dual screens to provide an advantage in momentum, as it can take advantage of its great typing and decent bulk to attempt to set up dual screens multiple times throughout the game. Fairy Lock should be used right before Klefki is about to be KOed so that a teammate can come in and either set up or KO the trapped Pokemon. An example is trapping Landorus before it uses Earth Power, so that Mamoswine can revenge kill it the next turn with Ice Shard.

Team Options
========
This Klefki set works wonders on hyper offensive teams in need of adual screens user that's resilient and can offer defensive synergy .Klefki doesn't need much support itself, so its teammates are almost always ones that require its support instead. Virtually all setup sweepers make great use of dual screen support, but examples of Pokemon that especially love it include Belly Drum Azumarill, Tail Glow Manaphy, Shell Smash Gorebyss, Dragon Dance Mega Gyarados, and Swords Dance Mega Mawile, which all appreciate it for different reasons. Thundurus can form an effective double Prankster paralysis core, and it can also prevent Defog users from removing Klefki's dual screens with Taunt. Thundurus can also run a Defiant set to discourage Defog in a different manner: by threatening to come in and receive a +2 Attack boost from Defog. Bisharp can also receive a +2 Attack boost from Defog thanks to Defiant, making it a good partner as well.

Other Options
########
Klefki can run a pretty potent utility set with Spikes and Thunder Wave which can setup Spikes on Pokemon that it forces out thanks to its great typing, while also acting as a utility check to dangerous sweepers. A full Toxic stalling set with Torment is a potentially viable option, though it lacks a way to deal with Steel-types. Imprison is also an option, albeit a rather niche one, to stop opposingusers of dual screens such asEspeon from setting up alongside Klefki. An offensive Calm Mind set which attempts to sweep with moves such as Draining Kiss, Flash Cannon, and Psyshock is possible, but Klefki's low offensive stats and the low Base Power of its STAB moves make it quite a weak sweeper. Lastly, Switcheroo is a neat disruption tactic when paired with items such as Lagging Tail, Choice Scarf, and Toxic Orb, and it is especially effective given that defensive Pokemon are the most likely choices to switch into Klefki.

---

Checks & Counters
########
**Defensive Pokemon**: Klefki typically has no way of doing anything to most bulky Pokemon, especially ones that resist Play Rough or don't take much damage from Foul Play. More importantly, as Klefki unfortunately doesn't have access to Taunt, any of these bulkier Pokemon that commonly use Taunt themselves can completely prevent Klefki from doing anything notable, gaining a momentum advantage as it switches. Heatran and Gliscor are common defensive Pokemon that carry Taunt: Heatran also 4x resists a possible Play Rough while Gliscor can take advantage of the free turn to setup a Substitute to potentially Toxic stall a foe. Other bulkier Pokemon such as Skarmory and Hippowdon can't completely stop Klefki from setting up Dual Screens, but they don't mind much that Klefki can do and potentially phaze out a Pokemon trying to setup from behind the Dual Screens.

**Offensive pressure**: Klefki in general has very little offensive presence, and lacks a way to recover from attacks reliably, which somewhat nullifies its invested defenses. However, most setup sweepers can't setup on Klefki as it can paralyse them with Thunder Wave. Therefore, the best way for offensive teams to check Klefki is to constantly use their STAB attacks to wear it down until it faints. Some of the best Pokemon to wear down Klefki with include Electric- and Ground-types such as Thundurus, Mega Manectric, Excadrill, Landorus, Landorus-T, and Garchomp, as they are all immune to Klefki's Thunder Wave by virtue of their typing, Klefki's main deterrant to offensive Pokemon. The Ground-type Pokemon also have a super-effective STAB move to threaten Klefki with, while Thundurus has Prankster Taunt (and is faster than Klefki) to prevent it from setting up Dual Screens or Spikes.

**Trick and Encore**: Trick and Encore are both typical answers to defensive Pokemon that rely on using supportive moves, and Klefki is no exception. By being Tricked a Choice-item from a Pokemon such as Latios, Klefki can do nothing at all for the rest of the game aside from killing momentum. Meanwhile, Encore affects Klefki similarly but is less permanent.

**Defog**: The move Defog and its users are both detrimental to Klefki, as the move itself will get rid of the Spikes or Dual Screens that Klefki has set, and common users of the move such as Zapdos, Skarmory, and Mandibuzz, can also easily switch into Klefki and aren't bothered by anything that it can do at all.
 
Last edited by a moderator:
Toxic needs at least a mention in set details for both sets. It's a great move to pressure Defoggers like Mandibuzz, Togekiss, and Zapdos.
 
Toxic needs at least a mention in set details for both sets. It's a great move to pressure Defoggers like Mandibuzz, Togekiss, and Zapdos.
Yes on Utility. I don't think that the Dual Screens set has the room for it personally, if you run it over Foul Play you are setup bait for the likes of Mega Mawile and Mega Scizor, which can stall out the screen turns until it can KO Klefki, and wreck the opponents team. It can use Spikes, but then you can simply Defog them away later while still not preventing the foe from setting up. I guess you can drop Spikes, but priority hazards is another great reason to use Klefki and I simply wouldn't drop them to cripple Defoggers, especially when you consider that not running Spikes kind of throws away any reason for Defoggers to switch in in the first place.
 

MyNameIsVeryCreative

Banned deucer.
Klefki has a few more options you haven't mentioned. Substitute and safeguard is really neat, the former protecting you from both status and non-priority attacks, and the latter protecting your whole team from status.
I think you should get rid of the attacking move in the dual screens set and replace it with thunder wave or safeguard, because foul play and play rough provide horribly inconsistant and weak damage output. Klefki is more effective at paralyzing the opponent or using safeguard and switching out to an appropriate check rather than straight up attacking it, plus the 25% paralysis rate certainly helps in setting up more spikes and screens. Sure it has no offensive presence and is susceptible to taunt, but if taunted foulplayrough will be doing jackshit to most defensive taunters, so Klefki may as well switch out anyway. So yeah, TWave > foulplayrough on the dual screens set.

Also, is the utility set really worth it? As a seasoned Klefki user and abuser I have to say the utility set is incredibly outclassed by the dual screens set, as it is really the only viable set for Klefki tbh.
 
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Arcticblast

Trans rights are human rights
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Klefki has a few more options you haven't mentioned. Substitute and safeguard is really neat, the former protecting you from both status and non-priority attacks, and the latter protecting your whole team from status-and is especially helpful in doubles.
Posting about doubles in the OU Analyses forum is irrelevant since we have analyses for our own doubles metagame. Using OU analyses for Doubles teams is the very definition of "doing it wrong."
I think you should get rid of the attacking move in the dual screens set and replace it with thunder wave or safeguard, because foul play and play rough provide horribly inconsistant and weak damage output. Klefki is more effective at paralyzing the opponent or using safeguard and switching out to an appropriate check rather than straight up attacking it, plus the 25% paralysis rate certainly helps in setting up more spikes and screens. Sure it has no offensive presence and is susceptible to taunt, but if taunted foulplayrough will be doing jackshit to most defensive taunters, so Klefki may as well switch out anyway. So yeah, TWave > foulplayrough on the dual screens set.
Having a damaging move in the last slot is actually very important on Klefki. For one, it has no way to stop Taunt beyond the generally inferior and single-use Mental Herb, meaning that a simple Taunt forces it to switch out. In addition to this, the attacking move can actually be a huge benefit - Foul Play lets it hit many of the Pokemon that would normally switch in on it (Aegislash, Excadrill, Garchomp, Landorus-I and -T, and even Thundurus-I) for a little bit of damage that Klefki could not otherwise accomplish, while Play Rough hits many of the Pokemon walled by it super effectively (admittedly they probably won't stay in long against it). Last Pokemon situations with no damaging move are also (obviously) terrible.
Also, is the utility set really worth it? As a seasoned Klefki user and abuser I have to say the utility set is incredibly outclassed by the dual screens set, as it is really the only viable set for Klefki tbh.
I mean if you don't want your only reason for existence wiped off the field by Defog then you might not want screens...
 

MyNameIsVeryCreative

Banned deucer.
For the last slot I have tried all three moves - thunder wave, foul play, and play rough. Foul play isn't STAB, so it will only be doing significant damage to Pokemon weak to dark moves or Pokemon with attack boosts, which means it's very inconsistent and weak. I will admit though play rough is very good against defog Latios, as it easily nets a 2HKO allowing you to setup much easier. But is otherwise quite redundant as it barely 5HKO's 252hp 252 def Mandibuzz and is even weaker against other bulky defoggers. Thunder wave is the most consistent and useful move and like I said before the paralysis rate helps to setup more screens and spikes which is the main focus of the set.
 
Dual Screens Klefki works much better with a Wish passer to compliment its great typing and better defenses behind screens so it can do it throughout the match so I'd mention Chansey as a great partner to pass Wish and absorb incoming status as well as Sylveon.
 
[02:34 am] <@dice> i don't like the current set tbh.
[02:36 am] <@TRC> k
[02:36 am] <@TRC> how do you want it?
[02:36 am] <@dice> i want
[02:36 am] <@dice> fairy lock
[02:36 am] <@dice> only slash
[02:36 am] <@dice> on dual screens
[02:36 am] <@dice> oo
[02:39 am] <@TRC> what does fairy lock even do o_o
[02:39 am] <@TRC> ive never heard of it
[02:41 am] <@dice> prevents ur oppo
[02:41 am] <@dice> from fleeing
[02:41 am] <@dice> for a turn
[02:41 am] <@dice> o_o
[02:41 am] <@dice> screens --> fairy lock --> switch
[02:42 am] <@dice> then u get
[02:42 am] <@dice> a free turn of set up
[02:42 am] <@dice> from w/e sweeper
[02:45 am] <@dice> (the free turn comes from having a sweeper which can take advtange of the poke that was trapped for the turn)
[02:45 am] <@dice> i didn't make myself clear on tht, sry
[02:46 am] <@dice> i dont wanna over rule everyone else tho automatically
[02:46 am] <@dice> so i'll cp this in thread
 
Done. Also added a bit about Fairy Lock in usage tips and toned down mentions of Play Rough so it doesn't sound like it's mandatory.
 

fleurdyleurse

nobody,not even the rain,has such small hands
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hi
Overview
########
Possessing one of the most sought-after abilities in Prankster and a movepool to complement it nicely, Klefki stands out in OU as a potent supportive Pokemon. It is the only Pokemon in the game with the combination of Prankster and Dual Screens or Spikes, and Prankster makes it very effective at these roles as it doesn't have to worry about the burdens of Speed benchmarks, freeing it to direct its EVs towards bulk instead. Its typing is also tremendousgreat defensively, with its types complementing each other almost perfectly; this makes Klefki difficult to wear down during the course of a match. It isn't just limited to Dual Screens and Spikes, though, as it has an array of support moves which let it carry out some other roles as well, including the uniquely helpful Fairy Lock. However, it shares a common tendency with many other support Pokemon: it lacks a large offensive presence, which makes it fairly easy to switch into. Mediocre stats prevent it from really making the best out of its fantastic defensive typing, and a lack of Taunt (a common move learnt by Pokemon with Prankster) is quite disappointing, as it makes Klefki vulnerable to Taunt itself, while also making it much easier for Pokemon to setup entry hazards on it. Overall, it is a rather niche Pokemon, as it faces competition with Deoxys-D as an entry hazard setter and Deoxys-S as a Dual Screen user, but Prankster is a key advantage to merit its use.
Dual Screens
########
name: Dual Screens
move 1: Reflect
move 2: Light Screen
move 3: Spikes
move 4: Fairy Lock
ability: Prankster
item: Light Clay
nature: Impish
evs: 252 HP / 252 Def / 4 SpD
Moves
========
This set's goal is to lay both Reflect and Light Screen to benefit the both Klefki, and theits team. Not only do they aid Klefki in setting up Spikes, but they also provide a large amount of help for its teammates that trying to setup with boosting moves. Prankster is the icing on the cake, allowing Klefki to always be able to setup the relevant screen for the opponent regardless of Speed, increasing its bulk to keep it alive and available to do more. Spikes provides even more support, but from an offensive standpoint, benefitings its teammates by potentially turning 2HKOes into OHKOes. Klefki's signature move, Fairy Lock, is an excellent move in the last slot, as it prevents a Pokemon from switching out in the turn after it is used, allowing a Pokemon that threatens the trapped Pokemon to setup behind the Dual Screens. However, one can use an offensive move in order for Klefki to not be total Taunt bait. Foul Play discourages physical attackers from setting up on you, whereas Play Rough is a STAB, move which 2HKOes Latios and Conkeldurr, and is generally a more powerful option. For a slightly different flavour, Toxic can be used to pressure Defog users such as Mandibuzz and Zapdos, which threaten to remove Klefki's Spikes and Dual Sscreens and Spikes. Thunder Wave, another status move, can also be used, as the usefulness of Prankster Thunder Wave is immensegreat.
Set Details
========
Light Clay is the item of choice to increase the duration of Reflect and Light Screen for three more turns. ItKlefki invests in its defenses as much as possible, with a physical bias so it can take the likes of Earthquakes easier. However, investing in Special Defense simply helps more against special attackers, so Klefki can easily be modified to tank hits better from either offensive category.
Usage Tips
========
This set does best as a lead for hyper offensive teams, to give frailer setup sweepers the bulk they need to setup and destroy teams. This includes teams with Shell Smash users, as most Shell Smash users have poor special bulk. It also helps frail wallbreakers destroy opposing offensive teams that would otherwise have the power to revenge kill them. It is not wise to sack Klefki once it gets Dual Screens up to provide an advantage in momentum, as it can take advantage of its great typing and decent bulk to attempt to set up Dual Screens multiple times throughout the game. Fairy Lock should be used after the successful setup of both screens as it enables a Pokemon to setup easily on the Pokemon forced to stay in while Klefki switches out.
Team Options
========
This Klefki set works wonders on hyper offensive teams in need of a Dual Screen user that's resilient and can offer defensive synergy. It doesn't need much support itself, so teammates are almost always ones that require its support instead. Virtually all setup sweepers make great use of Dual Screen support, but examples of Pokemon that love it especially include Belly Drum Azumarill, Tail Glow Manaphy, Shell Smash Gorebyss, Dragon Dance Mega Gyarados, and Mega Mawile, which appreciate it for different reasons. Thundurus-I can form an effective double paralysis core, and it also prevents Defog users from removing its Dual Screens with its Taunt. However, Thundurus can also use Defiant instead to discourage Defog in a different manner: by threatening to come in and have an easy time sweeping with its boost. Bisharp functions similarly to Defiant Thundurus.
Utility
########
name: Utility
move 1: Spikes
move 2: Play Rough
move 3: Thunder Wave
move 4: Foul Play
ability: Prankster
item: Leftovers
nature: Impish
evs: 252 HP / 252 Def / 4 SpD
Moves
========
This set provides general utility to a team, aiding it in various ways. Spikes is excellent as it has priority, allowing Klefki to set up multiple layers of entry hazards. Thunder Wave is also an essential choice to act as a safety measure against sweepers that rely on their Speed, such as Mega Pinsir and Dragon Dance Mega Charizard X. Play Rough is this set's only STAB move, and it conveniently does a lot of damage to a slew of prominent Defog users such as Latios and Latias. Spikes works amazingly well with Prankster, allowing Klefki to set up multiple layers of entry hazards before the opponent can even move. Thunder Wave has amazing utility, as paralysis is a very debilitating status to spread. It also stops speed sweepers such as Mega Pinsir and Dragon Dance Mega Charizard X should you fall into a situation where they can sweep your team. To avoid becoming complete Taunt bait, a STAB attacking move is recommended, and Play Rough is the best to offer, providing super-effective coverage against a slew of prominent Defog users such as Latios and Latias as well as its ability to 2HKO Conkeldurr and 0 HP / 4 Def Tyranitar after Stealth Rock. However, another attacking move which could be classed as utility in a way, is Foul Play. It gives very good coverage with Fairy-type moves and tuns the tables on fearsome physical attackers that might switch into Klefki, such as Excadrill. Toxic can replace a move on this set if necessary in order for Klefki to pressure Defog users and bulky Pokemon in general such as Mandibuzz and Zapdos.
Set Details
========
Full physical defense and HP investment is used to better counteract physical attackers such as Conkeldurr, but a mixed or fully specially defensive EV spread can be used if it is more beneficial to the type of Pokemon Klefki will be facing. Leftovers provides consistent passive recovery, as Klefki lacks recovery on its own.
Usage Tips
========
It may seem as if this Klefki set would be an effective lead, and it isn't actually that bad at it. However, it is very advantageous to take advantage of its defensive abilities and not sacrifice it early-game to setup Spikes, especially if they could be removed through the use of Defog or Rapid Spin. It is often more beneficial to save it for mid-game when momentum is in the teams favor. While it runs a defensive spread, this is to take hits better in general, not to be used to wall things, which must be remembered. Its lack of recovery makes mindlessly switching it into powerful attacks a bad idea. On the other hand, Prankster Thunder Wave provides immense assurance against many setup sweepers, so if Klefki has worn out its usefulness, it can sacrifice itself at the cost of crippling the opponents sweeper.
Team Options
========
This Klefki generally fits on balanced teams in need of a Pokemon that can set up Spikes and act as quicka "panic button" for threatening sweepers via Prankster Thunder Wave. Bisharp and Thundurus are good partners, as they discourage the use of Defog which will remove Klefki's Spikes. Klefki also pairs well with slower wallbreakers that can make use of Spikes and Thunder Wave support; Mega Garchomp, Mega Charizard Y, Mega Heracross, and Kyurem-B all greatly appreciate Klefki's support for this reason.
Other Options
########
A full Toxic stalling set with Torment is also a potentially viable option, though it lacks a way to deal with Steel-types, such as Heatran. Imprison is also an option, albeit a rather niche one, to stop opposing Dual Screen users such as Deoxys-S from setting up alongside Klefki. An interesting way of using Klefki could be an offensive Calm Mind set which attempts to sweep with moves such as Draining Kiss, Flash Cannon, and Psyshock, but Klefki's low offensive stats in combination with its low base power STAB moves makes Klefki quite a weak sweeper. Finally, Switcheroo is a neat disruption tactic when paired with moves such as Lagging Tail, Choice-items, or Toxic Orb, and is especially effective given that defensive Pokemon are the most likely choices to switch into Klefki.
Checks &amp; Counters
########
**Defensive Pokemon**: Klefki typically has no way of doing anything to most bulky Pokemon, especially ones that resist Play Rough or don't take much damage from Foul Play. More importantly, as Klefki unfortunately doesn't have access to Taunt, any of these bulkier Pokemon that commonly use Taunt themselves can completely prevent Klefki from doing anything notable, gaining a momentum advantage as it switches. Heatran and Gliscor are common defensive Pokemon that carry Taunt: Heatran also 4x resists a possible Play Rough while Gliscor can take advantage of the free turn to set up a Substitute to potentially Toxic stall a foe. Other bulkier Pokemon such as Skarmory and Hippowdon can't completely stop Klefki from setting up Dual Screens, but they don't mind much that Klefki can do and potentially phaze out a Pokemon trying to setup from behind the Dual Screens.
**Offensive pressure**: Klefki, in general, has very little offensive presence, and lacks a way to recover from attacks reliably, which somewhat nullifies its invested defenses. However, most setup sweepers can't setup on Klefki as it can paralyse them with Thunder Wave. Therefore, the best way for offensive teams to check Klefki is to constantly use their STAB attacks to wear it down until it faints. Some of the best Pokemon to wear down Klefki with include Electric- and Ground-types such as Thundurus, Mega Manectric, Excadrill, Landorus, Landorus-T, and Garchomp, as they are all immune to Klefki's Thunder Wave by virtue of their typing, Klefki's main deterrant to offensive Pokemon. The Ground-type Pokemon also have a super- effective STAB move to threaten Klefki with, while Thundurus has Prankster Taunt (and is faster than Klefki) to prevent it from setting up Dual Screens or Spikes.
**Trick and Encore**: Trick and Encore are both typical answers to defensive Pokemon that rely on using supportive moves, and Klefki is no exception. By being Tricked a Choice-item from a Pokemon such as Latios, Klefki can do nothing at all for the rest of the game aside from killing momentum. Meanwhile, Encore affects Klefki similarly but is less permanent.
**Defog**: The move Defog and its users are both detrimental to Klefki, as the move itself will get rid of the Spikes or Dual Screens that Klefki has set, and common users of the move such as Zapdos, Skarmory, and Mandibuzz, can also easily switch into Klefki and aren't bothered by anything that it can do at all.

Overview
########
Possessing one of the most sought-after abilities in Prankster and a movepool to complement it nicely, Klefki stands out in OU as a potent supportive Pokemon. It is the only Pokemon in the game with the combination of Prankster and Dual Screens or Spikes, and Prankster makes it very effective at these roles as it doesn't have to worry about the burdens of Speed benchmarks, freeing it to direct its EVs towards bulk instead. Its typing is also great defensively, with its types complementing each other almost perfectly; this makes Klefki difficult to wear down during the course of a match. It isn't just limited to Dual Screens and Spikes, though, as it has an array of support moves which let it carry out some other roles as well, including the uniquely helpful Fairy Lock. However, it shares a common tendency with many other support Pokemon: it lacks a large offensive presence, which makes it fairly easy to switch into. Mediocre stats prevent it from really making the best out of its fantastic defensive typing, and a lack of Taunt (a common move learnt by Pokemon with Prankster) is quite disappointing, as it makes Klefki vulnerable to Taunt itself, while also making it much easier for Pokemon to setup entry hazards on it. Overall, it is a rather niche Pokemon, as it faces competition with Deoxys-D as an entry hazard setter and Deoxys-S as a Dual Screen user, but Prankster is a key advantage to merit its use.
Dual Screens
########
name: Dual Screens
move 1: Reflect
move 2: Light Screen
move 3: Spikes
move 4: Fairy Lock
ability: Prankster
item: Light Clay
nature: Impish
evs: 252 HP / 252 Def / 4 SpD
Moves
========
This set's goal is to lay both Reflect and Light Screen to benefit both Klefki and its team. Not only do they aid Klefki in setting up Spikes, but they also provide a large amount of help for its teammates that try to setup with boosting moves. Prankster is the icing on the cake, allowing Klefki to always be able to setup the relevant screen for the opponent regardless of Speed, increasing its bulk to keep it alive and available to do more. Spikes provides even more support and benefits its teammates by potentially turning 2HKOes into OHKOes. Klefki's signature move, Fairy Lock, is an excellent move in the last slot, as it prevents a Pokemon from switching out in the turn after it is used, allowing a Pokemon that threatens the trapped Pokemon to setup behind the Dual Screens. However, one can use an offensive move in order for Klefki to not be total Taunt bait. Foul Play discourages physical attackers from setting up on you, whereas Play Rough is a STAB move which 2HKOes Latios and Conkeldurr, and is generally a more powerful option. For a slightly different flavor, Toxic can be used to pressure Defog users such as Mandibuzz and Zapdos, which threaten to remove Klefki's dual screens and Spikes. Thunder Wave, another status move, can also be used, as the usefulness of Prankster Thunder Wave is great.
Set Details
========
Light Clay is the item of choice to increase the duration of Reflect and Light Screen for three more turns. Klefki invests in its defenses as much as possible, with a physical bias so it can take the likes of Earthquake easier. However, investing in Special Defense helps more against special attackers, so Klefki can easily be modified to tank hits better from either offensive category.
Usage Tips
========
This set does best as a lead for hyper offensive teams, to give frailer setup sweepers the bulk they need to setup and destroy teams. This includes teams with Shell Smash users, as most Shell Smash users have poor special bulk. It also helps frail wallbreakers destroy opposing offensive teams that would otherwise have the power to revenge kill them. It is not wise to sack Klefki once it gets Dual Screens up to provide an advantage in momentum, as it can take advantage of its great typing and decent bulk to attempt to set up Dual Screens multiple times throughout the game. Fairy Lock should be used after the successful setup of both screens as it enables a Pokemon to setup easily on the Pokemon forced to stay in while Klefki switches out.
Team Options
========
This Klefki set works wonders on hyper offensive teams in need of a Dual Screen user that's resilient and can offer defensive synergy. It doesn't need much support itself, so teammates are almost always ones that require its support instead. Virtually all setup sweepers make great use of Dual Screen support, but examples of Pokemon that love it include Belly Drum Azumarill, Tail Glow Manaphy, Shell Smash Gorebyss, Dragon Dance Mega Gyarados, and Mega Mawile, which appreciate it for different reasons. Thundurus can form an effective double paralysis core, and it also prevents Defog users from removing its Dual Screens with its Taunt. However, Thundurus can also use Defiant to discourage Defog in a different manner: by threatening to come in and have an easy time sweeping with its boost. Bisharp functions similarly to Defiant Thundurus.
Utility
########
name: Utility
move 1: Spikes
move 2: Play Rough
move 3: Thunder Wave
move 4: Foul Play
ability: Prankster
item: Leftovers
nature: Impish
evs: 252 HP / 252 Def / 4 SpD
Moves
========
This set provides general utility to a team, aiding it in various ways. Spikes is excellent as it has priority, allowing Klefki to set up multiple layers of entry hazards. Thunder Wave is also an essential choice to act as a safety measure against sweepers that rely on their Speed, such as Mega Pinsir and Dragon Dance Mega Charizard X. Play Rough is this set's only STAB move, and it conveniently does a lot of damage to a slew of prominent Defog users such as Latios and Latias. Spikes works amazingly well with Prankster, allowing Klefki to set up multiple layers of entry hazards before the opponent can even move. Thunder Wave has amazing utility, as paralysis is a very debilitating status to spread. It also stops speed sweepers such as Mega Pinsir and Dragon Dance Mega Charizard X should you fall into a situation where they can sweep your team. To avoid becoming complete Taunt bait, a STAB attacking move is recommended, and Play Rough is the best to offer, providing super-effective coverage against a slew of prominent Defog users such as Latios and Latias as well as its ability to 2HKO Conkeldurr and 0 HP / 4 Def Tyranitar after Stealth Rock. However, another attacking move which could be classed as utility in a way is Foul Play. It gives very good coverage with Fairy-type moves and tuns the tables on fearsome physical attackers that might switch into Klefki, such as Excadrill. Toxic can replace a move on this set if necessary in order for Klefki to pressure Defog users and bulky Pokemon in general such as Mandibuzz and Zapdos.
Set Details
========
Full physical defense and HP investment is used to better counteract physical attackers such as Conkeldurr, but a mixed or fully specially defensive EV spread can be used if it is more beneficial to the type of Pokemon Klefki will be facing. Leftovers provides consistent passive recovery, as Klefki lacks recovery on its own.
Usage Tips
========
It may seem as if this Klefki set would be an effective lead, and it isn't actually that bad at it. However, it is very advantageous to take advantage of its defensive abilities and not sacrifice it early-game to setup Spikes, especially if they could be removed through the use of Defog or Rapid Spin. It is often more beneficial to save it for mid-game when momentum is in the teams favor. While it runs a defensive spread, this is to take hits better in general, not to be used to wall things, which must be remembered. Its lack of recovery makes mindlessly switching it into powerful attacks a bad idea. On the other hand, Prankster Thunder Wave provides immense assurance against many setup sweepers, so if Klefki has worn out its usefulness, it can sacrifice itself at the cost of crippling the opponents sweeper.
Team Options
========
This Klefki generally fits on balanced teams in need of a Pokemon that can set up Spikes and act as a "panic button" for threatening sweepers via Prankster Thunder Wave. Bisharp and Thundurus are good partners, as they discourage the use of Defog which will remove Klefki's Spikes. Klefki also pairs well with slower wallbreakers that can make use of Spikes and Thunder Wave support; Mega Garchomp, Mega Charizard Y, Mega Heracross, and Kyurem-B all greatly appreciate Klefki's support for this reason.
Other Options
########
A full Toxic stalling set with Torment is also a potentially viable option, though it lacks a way to deal with Steel-types such as Heatran. Imprison is also an option, albeit a rather niche one, to stop opposing Dual Screen users such as Deoxys-S from setting up alongside Klefki. An interesting way of using Klefki could be an offensive Calm Mind set which attempts to sweep with moves such as Draining Kiss, Flash Cannon, and Psyshock, but Klefki's low offensive stats in combination with its low base power STAB moves makes Klefki quite a weak sweeper. Finally, Switcheroo is a neat disruption tactic when paired with moves such as Lagging Tail, Choice-items, or Toxic Orb, and is especially effective given that defensive Pokemon are the most likely choices to switch into Klefki.
Checks & Counters
########
**Defensive Pokemon**: Klefki typically has no way of doing anything to most bulky Pokemon, especially ones that resist Play Rough or don't take much damage from Foul Play. More importantly, as Klefki unfortunately doesn't have access to Taunt, any of these bulkier Pokemon that commonly use Taunt themselves can completely prevent Klefki from doing anything notable, gaining a momentum advantage as it switches. Heatran and Gliscor are common defensive Pokemon that carry Taunt: Heatran also 4x resists a possible Play Rough while Gliscor can take advantage of the free turn to set up a Substitute to potentially Toxic stall a foe. Other bulkier Pokemon such as Skarmory and Hippowdon can't completely stop Klefki from setting up Dual Screens, but they don't mind much that Klefki can do and potentially phaze out a Pokemon trying to setup from behind the Dual Screens.
**Offensive pressure**: Klefki, in general, has very little offensive presence, and lacks a way to recover from attacks reliably, which somewhat nullifies its invested defenses. However, most setup sweepers can't setup on Klefki as it can paralyse them with Thunder Wave. Therefore, the best way for offensive teams to check Klefki is to constantly use their STAB attacks to wear it down until it faints. Some of the best Pokemon to wear down Klefki with include Electric- and Ground-types such as Thundurus, Mega Manectric, Excadrill, Landorus, Landorus-T, and Garchomp, as they are all immune to Klefki's Thunder Wave by virtue of their typing, Klefki's main deterrant to offensive Pokemon. The Ground-type Pokemon also have a super effective STAB move to threaten Klefki with, while Thundurus has Prankster Taunt (and is faster than Klefki) to prevent it from setting up Dual Screens or Spikes.
**Trick and Encore**: Trick and Encore are both typical answers to defensive Pokemon that rely on using supportive moves, and Klefki is no exception. By being Tricked a Choice-item from a Pokemon such as Latios, Klefki can do nothing at all for the rest of the game aside from killing momentum. Meanwhile, Encore affects Klefki similarly but is less permanent.
**Defog**: The move Defog and its users are both detrimental to Klefki, as the move itself will get rid of the Spikes or Dual Screens that Klefki has set, and common users of the move such as Zapdos, Skarmory, and Mandibuzz, can also easily switch into Klefki and aren't bothered by anything that it can do at all.

GP 1/2
 
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Albacore

sludge bomb is better than sludge wave
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"Fairy Lock should be used after the successful setup of both screens as it enables a Pokemon to setup easily on the Pokemon forced to stay in while Klefki switches out."

This is actually not true. Fairy Lock also locks the user in, which means that Kelfki can't actually switch out next turn. Fairy Lock can still work though, just as long as Klefki gets KO'd the same turn it uses it (although since it will always fail to work 2 turns in a row you can't just spam it until you go down, so you have to be careful). But the analysis directly implies that Klefki can switch out of Fairy Lock which is incorrect.
 
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Yeah, Fairy Lock honestly seems to be a lot less good if you can't even switch Klefki out. Like Albacore said, you might still be able to get an easy setup if you can time it right and use Fairy Lock right before Klefki dies, but it's just so much less reliable that having Prankster Thunder Wave or something in that last slot seems like it'd be more consistently useful.
 
DAM i blame ben gay for this. false hype

not even sure what a good last for this is then........

uh..... maybe foul play is really the best option? sorry lol
 
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Jukain

!_!
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talked to ben gay about it. he said the point of fairy lock is that when klef is about to die, u use it and the mon is trapped next turn. eg a landorus kills klefki, u send in a mamoswine and it can't switch, or zard x can get a free dd behind screens.

imo it sounds like the best option, keep.
 
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Overview
########
Possessing one of the most sought-after abilities in Prankster and a movepool to complement that complements it nicely, Klefki stands out in OU as a potent supportive support Pokemon. It is the only Pokemon in the game with the combination of Prankster and Dual Screens dual screens or Spikes, and Prankster makes it very effective at these roles using these moves, (AC) as it doesn't have to worry about the burdens of Speed benchmarks, freeing it to direct its EVs towards bulk instead. Its Klefki's typing is also tremendous defensively, (RC) with its types complementing each other almost perfectly; this and makes Klefki it difficult to wear down during the course of a match. It isn't just limited to Dual Screens dual screens and Spikes, (AC) though, as it has an array of other support moves to assist its team with which let it carry out some other roles as well, including the uniquely helpful Fairy Lock. However, it Klefki shares a common tendency with many other support Pokemon: it lacks a large offensive presence, which makes it fairly easy to switch into. Mediocre stats prevent it Klefki from really making the best out of its fantastic defensive typing, and a lack of Taunt (a common move learnt by Pokemon with Prankster) is quite disappointing, as it makes Klefki vulnerable to Taunt itself, (RC) while also making it much easier for Pokemon to setup set up entry hazards on against it. Overall, it Klefki is a rather niche Pokemon, as it faces competition with Deoxys-D as an entry hazard setter and Deoxys-S as a Dual Screen dual screens user, but Prankster is a key advantage to merit its use. (Ummm I'm not sure what you want to do about this last sentence considering the Deo's were banned, but the mention of those two Pokemon needs to be removed.)

Dual Screens
########
name: Dual Screens
move 1: Reflect
move 2: Light Screen
move 3: Spikes
move 4: Fairy Lock
ability: Prankster
item: Light Clay
nature: Impish
evs: 252 HP / 252 Def / 4 SpD

Moves
========
This set's goal The goal of this set is to lay set up both Reflect and Light Screen to benefit the both Klefki, (RC) and the its team. Not only do they Light Screen and Reflect aid Klefki in setting up Spikes, but they also provide a large amount of help for assist teammates trying to setup set up with boosting moves. Prankster is the icing on the cake, allowing Klefki to always be able to setup set up the relevant screen for against the opponent regardless of Speed, (RC) increasing its bulk to keep it alive and available to do more. Spikes provide even more support, but from an offensive standpoint, benefiting teammates by potentially turning 2HKOes 2HKOs into OHKOes OHKOs. Klefki's signature move, (AC) Fairy Lock, (AC) is an excellent move in the last slot, as it prevents a Pokemon from switching out in the turn after it is used, allowing a Pokemon teammate that threatens the trapped Pokemon to setup set up behind the Dual Screens dual screens Klefki has set. However, one can use an offensive move in order for Klefki to not be total Taunt bait. Foul Play discourages physical attackers from setting up on you Klefki, whereas Play Rough is a STAB attack, (RC) that 2HKOes Latios and Conkeldurr, (RC) and is generally a more powerful option. For a slightly different flavour, Toxic can also be used to pressure Defog users such as Mandibuzz and Zapdos, which threaten to remove Klefki's Spikes and Dual Screens dual screens. Thunder Wave, another status move, can also be used, as the usefulness of Prankster Thunder Wave is immense in slowing down faster Pokemon.

Set Details
========
Light Clay is the item of choice to increase the duration of Reflect and Light Screen for three more to eight turns. It Klefki invests in its defenses Defense as much as possible, (RC) with a physical bias so it can in order to take the likes of attacks such as Earthquake Earthquakes easier. However, Klefki can easily be modified to tank hits better from special attackers by investing in its Special Defense. (AP) simply helps more against special attackers, (RC) so Klefki can easily be modified to tank hits better from either offensive category.

Usage Tips
========
This set does best as a lead for hyper offensive teams, to give as it gives frailer setup sweeper sweepers the bulk they need to setup set up and destroy teams. This includes teams with Shell Smash users, as most Shell Smash users have poor special bulk. (What even uses Shell Smash in OU anymore besides SmashPass Gorebyss? IMO remove.) It also helps frail wallbreakers destroy opposing offensive teams that would otherwise have the power to revenge kill them. It is not wise to sac sacrifice Klefki once it gets Dual Screens sets up dual screens up to provide an advantage in momentum, as it can take advantage of its great typing and decent bulk to attempt to set up Dual Screens dual screens multiple times throughout the game. (Isn't the whole point of Fairy Lock to sac Klefki and trap the opponent though?) Fairy Lock should be used after the successful setup of both screens, (AC) as it enables a Pokemon teammate to setup set up easily on the Pokemon forced to stay in while after Klefki switches out faints.

Team Options
========
This Klefki set works wonders on hyper offensive teams in need of a Dual Screen dual screens user that's resilient and can offer defensive synergy. It Klefki doesn't need much support itself, so its teammates are almost always ones that require its support instead. Virtually all setup sweepers make great use of Dual Screen dual screen support, but examples of Pokemon that especially love it especially include Belly Drum Azumarill, Tail Glow Manaphy, Shell Smash Gorebyss, Dragon Dance Mega Gyarados, and Swords Dance Mega Mawile, which all appreciate it for different reasons. Thundurus-I Thundurus can form an effective double Prankster paralysis core, and it can also prevents prevent Defog users from removing its Dual Screens Klefki's dual screens with its Taunt. However, Thundurus can also use run a Defiant set instead to discourage Defog in a different manner: by threatening to come in and have an easy time sweeping with its receive a +2 Attack boost from Defog. Bisharp functions similarly can also receive a +2 Attack boost from Defog thanks to Defiant, making it a good partner as well.

Utility
########
name: Utility
move 1: Spikes
move 2: Play Rough
move 3: Thunder Wave
move 4: Foul Play
ability: Prankster
item: Leftovers
nature: Impish
evs: 252 HP / 252 Def / 4 SpD

Moves
========
This set provides general utility to a team, aiding it in various ways. Spikes is an excellent move for Klefki, (AC) as it has priority thanks to Prankster, allowing Klefki to set up multiple layers of entry hazards. Thunder Wave is also an essential choice for Klefki, (AC) as it acts to act as a safety measure against sweepers that rely on their Speed, such as Mega Pinsir and Dragon Dance Mega Charizard X. Play Rough is this set's only STAB move. (AP) , (RC) and it It conveniently does a lot of damage to a slew of prominent Defog users such as Latios and Latias, (AC) and it can . (RC) Spikes works amazingly well with Prankster, allowing Klefki to set up multiple layers of entry hazards before the opponent can even move. Thunder Wave has amazing utility, as paralysis is a very debilitating status to spread. It also stops speed sweepers such as Mega Pinsir and Dragon Dance Mega Charizard X should you fall into a situation where they can sweep your team. To avoid becoming complete Taunt bait, a STAB attacking move is recommended, and Play Rough is the best to offer, providing super-effective coverage against a slew of prominent Defog users such as Latios and Latias as well as its ability to 2HKO Conkeldurr and 0/4 offensive Tyranitar after Stealth Rock. However, another attacking move which could be classed as utility in a way, is Foul Play is another attacking move Klefki has, and. (RP) It it gives very good coverage with Fairy-type moves and tuns turns the tables on fearsome physical attackers that might switch into Klefki, such as Excadrill. Toxic can replace a move on this set if necessary in order for Klefki to pressure Defog users and bulky Pokemon in general, (AC) such as Mandibuzz and Zapdos.

Set Details
========
Full physical defense HP and HP Defense investment with an Impish nature is used to better counteract physical attackers such as Conkeldurr, but a mixed or fully specially defensive EV spread can be used to better take on special attackers if it is more beneficial to the type of Pokemon Klefki will be facing. Leftovers provides consistent passive recovery, as Klefki lacks recovery on its own.

Usage Tips
========
It may might seem as if this Klefki set would be an effective lead, (RC) and it isn't actually that bad at it. However, it is very advantageous to take advantage of its defensive abilities and not sacrifice it early-game to setup set up Spikes, especially if they could be removed your opponent can remove them through the use of Defog or Rapid Spin. It is often more beneficial to save it Klefki for mid-game when momentum is in the teams team's favor. While it Klefki runs a defensive spread, this is to take hits better in general, not to be used to wall things, which must be remembered when using Klefki; (ASC) . (RP) Its Klefki's lack of recovery makes mindlessly switching it into powerful attacks a bad idea. On the other hand, Prankster Thunder Wave provides immense assurance insurance against many setup sweepers, so if Klefki has worn out its usefulness, it can sacrifice itself at the cost of crippling the opponents opponent's sweeper.

Team Options
========
This Klefki generally fits on balanced teams in need of a Pokemon that can set up Spikes and act as quick "panic button" for threatening sweepers via Prankster Thunder Wave. Bisharp and Thundurus are good partners, as they discourage the use of Defog which will remove Klefki's Spikes. Klefki also pairs well with slower wallbreakers that can make use of Spikes and Thunder Wave support; Mega Garchomp, Mega Charizard Y, Mega Heracross, and Kyurem-B all greatly appreciate Klefki's support for this reason.

Other Options
########
A full Toxic stalling set with Torment is also a potentially viable option, though it lacks a way to deal with Steel-types, (RC) such as Heatran. Imprison is also an option, albeit a rather niche one, to stop opposing Dual Screen users of dual screens such as Deoxys-S Espeon from setting up alongside Klefki. An interesting way of using Klefki could be an offensive Calm Mind set which attempts to sweep with moves such as Draining Kiss, Flash Cannon, and Psyshock is possible, but Klefki's low offensive stats in combination with its and the low base power Base Power of its STAB moves makes Klefki make it quite a weak sweeper. Finally Lastly, Switcheroo is a neat disruption tactic when paired with moves items such as Lagging Tail, Choice-items Choice Scarf, or and Toxic Orb, and it is especially effective given that defensive Pokemon are the most likely choices to switch into Klefki.

Checks & Counters
########
**Defensive Pokemon**: Klefki typically has no way of doing anything to most bulky Pokemon, especially ones that resist Play Rough or don't take much damage from Foul Play. More importantly, as Klefki unfortunately doesn't have access to Taunt, any of these bulkier Pokemon that commonly use Taunt themselves can completely prevent Klefki from doing anything notable, gaining a momentum advantage as it Klefki is forced to switch out switches. Heatran and Gliscor are common defensive Pokemon that carry Taunt; (ASC) : (RColon) Heatran also 4x resists a possible Play Rough, (AC) while Gliscor can take advantage of the free turn Klefki switching out to setup set up a Substitute to and potentially Toxic stall a foe. Other bulkier Pokemon such as Skarmory and Hippowdon can't completely stop Klefki from setting up Dual Screens dual screens and Spikes, but they don't mind much that Klefki can do any of Klefki's attacks and can potentially phaze out a Pokemon trying to setup set up from behind the Dual Screens dual screens Klefki has set up.

**Offensive pressure Pressure**: In general, Klefki in general has very little offensive presence, and lacks a way to recover from attacks reliably, which somewhat nullifies its invested defenses. However, most setup sweepers can't setup set up on Klefki, (AC) as it can paralyse paralyze them with Thunder Wave. Therefore, the best way for offensive teams to check Klefki is to constantly use their STAB attacks to wear it Klefki down until it faints. Some of the best Pokemon to wear down Klefki with include Electric- and Ground-types such as Thundurus, Mega Manectric, Excadrill, Landorus, Landorus-T, and Garchomp, as they are all immune to Klefki's Thunder Wave by virtue of their typing, (RC) Klefki's main deterrant to offensive Pokemon. The Ground-type Pokemon also have a super-effective super effective STAB move to threaten Klefki with, while Thundurus has Prankster Taunt (and is faster than Klefki) to prevent it from setting up Dual Screens or dual screens and Spikes.

**Trick and Encore**: Trick and Encore are both typical answers to defensive Pokemon that rely on using supportive moves, and Klefki is no exception. By being Tricked a Choice-item Choice item from a Pokemon such as Latios, Klefki can only use one move each time it switches in, causing it to kill momentum do nothing at all for the rest of the game aside from killing momentum. Meanwhile, Encore affects also locks Klefki similarly into a single move, but it is less not permanent.

**Defog**: The move Defog and its users are both detrimental to Klefki, as the move itself will get rid of remove the Spikes or Dual Screens dual screens that Klefki has set, and common users of the move such as Zapdos, Skarmory, and Mandibuzz, (RC) can also easily switch into Klefki and aren't bothered by anything that it can do at all. (Don't Zapdos and Mandibuzz not like Toxic though?)
 
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Went through the above check with LightningLuxray, looks good

GP 2/2 (or 1/2 lol, the first wasn't implemented yet but LightningLuxray's check is much more comprehensive and pretty much includes everything necessary from it anyway. It'll probably end up needing another check after any content changes are made)
 
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It seems there is some confusion as to how Fairy Lock works due to its in-game description. From what I'm aware, basically, Fairy Lock is Mean Look that applies to all Pokemon, including Klefki. Like Mean Look, once Klefki faints or switches, it wears off.

So no, you can't use Fairy Lock as it is about to die and then bring in something for free. Just put Foul Play in the last slot.
 

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