Croagunk
Moveset Name: Bulky Priority
Move 1: Fake Out
Move 2: Drain Punch
Move 3: Sucker Punch
Move 4: Shadow Ball / Knock Off
Item: Eviolite
Ability: Poison Touch / Dry Skin
Nature(s): Brave / Adamant
EVs: 52 HP / 188 Atk / 116 Def / 116 SpD / 36 Spe
This is a Croagunk set that I consider to be the best at the moment.
Fake Out is obvious and even more fun since BW2 released Poison Touch. Although if you don't have a Lileep or like to spread better status with you team, Dry Skin is probably the superior ability, although that extra bit of damage can often come in handy. People are usually a bit too paranoid to attack you with a water-type attack anyway, unless they see you poison a Pokemon.
Drain Punch actually helps you beat all of Scraggy, unlike shitty vacuum wave, as well as just being your strong STAB + recovery attack.
Sucker Punch is again obvious and your strongest priority, helping you revenge stuff that have gotten out of control especially when combined with Fake Out (and possibly Poison Touch).
Shadow Ball is mostly for Misdreavus, although it can 2HKO FD Natu with SR who usually carries just HP Flying.
Knock Off can help you fuck with stuff and is just good utility in general, as well as being able to 2HKO (0 HP EV) Misdreavus without SR, provided you Knock Off the Eviolite then Sucker Punch. Although Will-o-Wisp can stop this as well as only being able to 4-5HKO Eviolite Misdreavus with it should you not be able to land a Sucker Punch on it.
There's also a plethora of other options that could also go in the last slot, for instance:
-Substitute could definitely help in certain situations, such as when playing mind games with Protect Drilbur or forcing a Misdreavus to attack to break your sub in order to land a Sucker Punch.
-Icy Wind, Low Sweep, Bulldoze (jesus if this thing got technician..) to lower a switchin's speed then nail them with a Drain Punch, they aren't too strong, but they can definitely pluck off plenty of weakened Pokemon.
Thanks to those magic even numbered defenses these EVs help you dodge a 2HKO from both a +1 HJK from a non-Adamant Scraggy as well as Shadow Balls from an Eviolite Misdreavus. Max attack is obvious and it allows you to 2HKO (0 HP EV) Eviolite Misdreavus with Shadow Ball + Sucker Punch with SR (8 min/avg + 12 avg + 2 from SR = 22/22 HP). The leftovers can only go into speed or special attack, Brave speed still helps you outspeed 36 Spe Lileep and tie with Hippopotas the extra Spa doesn't help that much (not with Misdreavus definitely), but it does help 2HKO Eviolite Natu without SR, which is something to consider. With Adamant, speed is obviously the superior option.
I don't remember much of when I first made this set, but I remember things like you can beat Eviolite Clamperl one on one by using Fake Out + Drain Punch + Sucker Punch, once it Shell Smashes or just Drain Punch to death if it doesn't. If you don't have Dry Skin you better hope it believes you do though :P. Also this same EV spread appears on the first page on this thread if its any indication of its viability.
Drilbur
Moveset Name: Support
Move 1: Rapid Spin
Move 2: Stealth Rock / Swords Dance
Move 3: Earthquake
Move 4: Rock Slide
Item: Eviolite
Ability: Mold Breaker
Nature: Jolly
EVs: 156 Atk / 116 Def / 212 Spe
Everybody knows about this one now. Someone used this set on me a while back and it was annoying, but good.
Mold Breaker allows Earthquake to 2HKO both Bronzor and Misdreavus. Misdreavus can no longer just switch into you willy nilly trying to block your Rapid Spin unless it wants to get 2HKOd by Earthquake, which does even more than Shadow Claw did. Speaking of which, you don't have to waste a moveslot on that shitty move anymore just to check said bitch, so Rock Slide is now the superior option, as you're not going to be 2HKOing Lileep with +0 X-Scissor anytime soon. Also, Drilbur scares the fuck out of Dwebble even with Rock Blast's borked numbers.
There's hardly a difference, KO wise, between max attack and 17 atk, but there is a difference for those defense EVs (there are some obscure calcs for things such as defensive Chinchou dodging a OHKO by a 17 atk EQ by 1 point, but getting OHKO'd by an 18 attacker, but thats pretty rare and easily resolved by any type of prior damage such as weather or hazards). Jolly and max speed EVs allows for you to outspeed most Mienfoo, all Dwebble (except retarded things like Choice Scarf), and etc.
name: Bulky Attacker
move 1: Hydro Pump
move 2: Giga Drain
move 3: Toxic / Blizzard
move 4: Recover
item: Eviolite
nature: Modest
evs: 236 HP / 36 Def / 156 SpA / 36 Spe
ability: Cursed Body
I've been contemplating this set for a short while.
It's basically Staryu, but with less speed, more bulk, and better defensive typing, and no rapid spin. So it's not really like Staryu, but you understand what I mean. Fighting-types (always bar Scraggy) can't do anything back to you except Knock Off usually. Although you can't do much back to Croagunk, it usually can't do shit back to you, so you would probably beat it one on one by just Giga Drain'ing it to death and recovering off any weak attacks if the situation ever called for it.
Basically I've ran a couple of calcs and stuff and came up with an ev spread that lets Frillish dodge a 2HKO from Staryu's Thunderbolt, Abra's Shadow Ball, Lileep's Giga Drain, Croagunk's Sucker Punch, and Timburr's Thunderpunch; as well as dodge a OHKO from LO Missy's Shadow Ball, Eviolite Murkrow's Sucker Punch, LO Chinchou's Thunderbolt, and LO Houndour's Sucker Punch. Frillish can in turn, some may be needed to be caught on the switch in, 2HKO Staryu and Chinchou with Giga Drain, while it 2HKOs Misdreavus, Stunky, and Eviolite Murkrow (OHKO after SR + BB recoil) with Hydro Pump, and OHKO Houndour and LO Murkrow (beware LO Murkrow's SP OHKOs, better to Recover till it kills itself with recoil, you negate LO Drill Peck's damage anyway) with Hydro Pump.
It outspeeds Hippopotas by having 11 Speed with 36 Spe EVs.
Should you decide to use Frillish in Hail you would be able to 2HKO most Lileep's with Blizzard, but only if you catch it on the switch in, as it will 2HKO you in the hail and dodge your 2HKO thanks to Giga Drain (or really thanks to BW2 :p), unless it has been weakened at least 4 damage prior.
Although that set obviously has problems with SR and other hazards possibly making some attacks that previously 3HKO Frillish, 2HKO it instead, hail is also a double-edged sword should you use it.
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Here are some small tweaks to already well known sets:
Lileep
Moveset Name: Tank
Move 1: Recover
Move 2: Giga Drain
Move 3: Toxic
Move 4: Barrier
Item: Eviolite
Ability: Storm Drain
Nature: Calm
EVs: 228 HP / 140 Def / 140 SpD
Thanks to BW2 you can have Giga Drain and Storm Drain on the same set. Basically this is an update to my Sandless Special Sponge that I posted earlier in the thread, but with Barrier over Hidden Power and Giga Drain. Barrier is mostly something I'm in the testing process with right now and hasn't outright helped me yet, although it hasn't been put it in the situation where I'm thinking it can help. I'm thinking Barrier can help me beat non parafuse Murkrow, Mienfoo, and a lot of other non set-up physical attackers much easier. For instance: a 156 Atk Mienfoo's HJK fails to 2hko +2 def (one barrier) Lileep:
17 Atk vs 48 Def & 26 HP (130 Base Power): 12 - 14 (46.15% - 53.85%) - average of 12 damage
If I can pull off a Barrier on Mienfoo's switch in then a Barrier again, then I can Recover off the damage then proceed to kill it with Toxic or Giga Drain, this goes for several other physical attacking Pokemon as well.
Although for Mienfoo, be aware that it can very possibly carry Knock Off, Toxic, or Taunt, all very deadly things for this type of set, although you can slightly manage with Knock Off, with Toxic or Taunt you're done. Hopefully it carries Payback over all of those moves though :P.
Also just a short tidbit about the EVs since they differ in the latest analysis for Lileep, I prefer 140 SpD, which is possible without HP Rock, because it has several admittedly small benefits to it when you calc more things than the obvious ice beam off of (insert water-type here), since most special attacks do the same to 17 SpD Lileep.
For one, with 26 HP and 18 SpD (+Eviolite) it can switch into a Blizzard from Eviolite Staryu/Chinchou (or Frillish :P), take 12 damage + 1 hail damage, then take another Blizzard taking 12 damage then before taking a fatal extra 1 damage from hail, you can spam Recover until their Blizzard runs out of PP. Whereas with 17 SpD, you take an average of 14 damage, which is a 2HKO.
Another benefit I've found from calcs is that you take less from Magnemite's Flash Cannon, although it still usually 2HKOs you, you can more likely survive late game when you'd likely be more weakened in order to fire off a desperate last attack that could be game changing. It will also dodge a 2HKO from LO 16 SpA Fire Blast Houndour, although some run 17 SpA now.
It's rather situational so one more point in attack and speed is more beneficial.
Misdreavus
Moveset Name: Nasty Plot
Move 1: Nasty Plot
Move 2: Shadow Ball
Move 3: Thunderbolt
Move 4: Destiny Bond
Item: Eviolite
Nature: Timid
EVs: 36 HP / 236 SpA / 236 Spe
Alright so this one definitely isn't too new or creative since it's basically the Nasty Plot set with Destiny Bond slapped over Hidden Power Fighting, but I'd like to spread the word of this set's success for me. I used to only be able to use Choice Scarf Misdreavus well, but I've definitely found a nice balance in this set.
I needed a set that would be a decent spinblocker to accompany Dwebble's hazards, but still threaten so it doesn't just sit there and die, so since Staryu was the premier Rapid Spinner, Thunderbolt was a must. Although Shadow Ball 2HKOs on average, a +2 Shadow Ball did not OHKO, so that justified Thunderbolt enough for me. Thunderbolt also helps with other Pokemon weak to it, such as the ever deadly Special Defensive Tirtouga. It also hits Normal-types not named Munchlax or Lickitung, strong enough for me not to miss Hidden Power Fighting too much at all, and Destiny Bond helps to fill the void any who.
I played Misdreavus with the priorities of stop rapid spinning at all costs first, then using it as my early/mid game attacker if they had no pokemon capable of Rapid Spinning (or I knew they didn't have it), they're team didn't mind hazards, or I if I couldn't get hazards up because Dwebble bit the dust.
Misdreavus is often met with Pokemon, such as Houndour or Stunky, that would destroy it or force mind games no matter what coverage move I had, or Pokemon that my team cannot break and/or are about to sweep, so Destiny Bond was a natural choice.
It works rather well as Misdreavus is not only fast but is such a big threat and very capable of sweeping that opponents are fairly hasty to get rid of it, rather than waiting around letting it possibly set up. Because of this, Misdreavus can often do something like set up on Bronzor, KO it eventually, then Destiny Bond when low on health and/or unable to KO the current Pokemon. Destiny Bond also helps with mind games versus Sub Roost Murkrow and other Sucker Punch Pokemon, usually at least taking them with me should I succumb to a Sucker Punch to the face.