[Overview]
 
<p>Competitively, Regirock is often overshadowed by compared to Registeel, who boasts more balanced defensive stats and a superior set of resistances. However, Regirock fits a specific niche in countering the Fire-types running rampant in the UU metagame. Regirock has a superior base Attack stat and STAB typing as well, allowing it to deal with Moltres and other Pokemon who whom Registeel has trouble with.</p>
 
<p>Because of its ability to reliably set up Stealth Rock, counter many top threats in the metagame, and use Explosion when it's finished, Regirock is one of the best tanks in UU. Unlike many other walls in UU, it It can take hits from a wide variety of UU Pokemon while also dishing damage back out, and is easily a top contender in the UU metagame. , which is Regirock's main advantage over the other walls in UU (such as Chansey and Registeel).</p>
 
[SET]
name: Tank
move 1: Stone Edge / Rock Slide
move 2: Earthquake / Thunder Wave
move 3: Stealth Rock
move 4: Explosion
item: Leftovers
nature: Adamant
evs: 204 HP / 148 Atk / 156 SpD
 
[SET COMMENTS]
 
<p>This set focuses on Regirock's ability to check numerous threats in the UU metagame, while also being able to pose a threat offensively. Regirock's excellent Defense aids it in countering and checking many physical sweepers. Additionally, Regirock can use its impressive bulk to aid its team through its support moves. gain free turns for reliably setting up Stealth Rock. Stone Edge and Earthquake create the infamous EdgeQuake combination, which provides great type coverage,(comma) backed by Regirock's respectable Attack stat. Regirock makes a reliable Stealth Rock user, and so its placed in the third slot to provide some team support. Stealth Rock in the third slot allows Regirock to provide some team support while also taking advantage of Regirock's ability to set it up reliably. Explosion differentiates Regirock from Pokemon such as Rhyperior and Aggron. A well-timed Explosion can turn the tides tide of a match by eliminating a problem Pokemon your team may have trouble facing.</p>
 
[ADDITIONAL COMMENTS]
 
<p>Stone Edge is best used with Earthquake, as 8 PP is too little to rely on for a wall such as Regirock. Earthquake also gives Regirock a way to hit Steelix and Registeel, as well as Fighting-types. However, paralysis support is always useful, and if Thunder Wave is chosen over Earthquake, then Rock Slide becomes the superior option. With Rock Slide, Regirock will not have PP issues, and also gains access to a nice flinch chance. An alternative to Thunder Wave is Toxic, which can severely cripple Pokemon like Milotic and Donphan as they switch in. If you already have a reliable Stealth Rock user (such as Mesprit or Uxie), Toxic can go in the third slot to complement either Earthquake or Thunder Wave. Rest can be used over Explosion to ensure Regirock sticks around a bit longer; however, it would be wise to pair Regirock with a cleric such as Chansey or Clefable so it's not a sitting duck. With the given EV spread, Regirock can comfortably defeat powerful threats such as Mismagius and Houndoom, never being OHKOed by a +2 Hidden Power Fighting or Dark Pulse, respectively. If a more hard-hitting Regirock is desired, an alternative EV spread of 252 HP / 252 Atk / 4 SpD Adamant may be used, but Regirock now has a decent chance of being OHKOed by Timid Life Orb Alakazam's Focus Blast and Nasty Plot Houndoom's Dark Pulse. Finally, another alternative EV spread of 252 HP / 4 Atk / 252 SpD with a Careful nature can be used to fully maximize Regirock's special tanking abilities.</p>
 
<p>Regirock can also check Pokemon such as Blaziken and Moltres. Blaziken only causes trouble if Regirock is weakened, or if Blaziken runs rare moves such as Focus Blast or Swords Dance. With its amazing defenses, Regirock can switch into Moltres, OHKOing it with its STAB Rock-type move of choice. Regirock really enjoys having a Grass-type to sponge Water-, Grass-, and Ground-type attacks thrown at it. Pokemon such as Venusaur provide nice support for Regirock by bringing down bulky Water-types. Altaria is another Pokemon who can be of use, being as it is resistant to Fighting- and Water-type attacks aimed at Regirock while being as well as immune to Ground-type attacks. Both of these Pokemon have instant recovery moves, so Regirock can form a solid defensive core with them. Mismagius can take advantage of Regirock's ability to lure Ground- and Fighting-type attacks, as it can switch into them with impunity. Weezing also makes a great partner as it resists Regirock's Grass- and Fighting-type weaknesses, and is immune to Ground-type attacks. Wish support is greatly appreciated because of Regirock's lack of a reliable recovery move. Chansey makes a good Wish passer to pair with Regirock, as it lures out physical attacks attackers for Regirock to switch into. Leafeon makes a decent alternative Wish passer, possessing great defensive synergy with Regirock.</p>
 
<p>With Explosion, Regirock can punch some major holes in the opponent's team, allowing another Pokemon to sweep. Bulky Water-types like to switch into Regirock and attempt to force it out with STAB Surf. However, Regirock can absorb the Surf and Explode, eliminating said bulky Water-type. Pokemon such as Dragon Dance Feraligatr and Azumarill benefit greatly from these Pokemon being removed from the battle, and thus make good partners for Regirock.</p>
 
[SET]
name: Mono Attacker
move 1: Curse
move 2: Rock Slide / Stone Edge
move 3: Rest
move 4: Sleep Talk
item: Leftovers / Chesto Berry
nature: Careful
evs: 252 HP / 4 Atk / 252 SpD
 
[SET COMMENTS]
 
<p>This set abuses Regirock's bulk to set up for a late-game sweep. With its excellent defenses, Regirock will have no trouble setting up Curse, aided by Rest and Sleep Talk. After a couple of Curses, the opponent will likely not be able to KO Regirock with any Pokemon who can survive a boosted Rock Slide. This set reaches its full potential in sandstorm, especially as the last Pokemon standing so that it can't be forced out. With incredible Defense,(remove) as well as decent Attack,(remove) and Special Defense, Regirock can set up six Curses quite easily in sandstorm and sweep your opponent's team. Rock Slide is good for sweeping more reliably; however, Stone Edge is an alternative for more power.</p>
 
[ADDITIONAL COMMENTS]
 
<p>Since Regirock already boasts an insane Defense stat, Regirock's EVs should be put into Special Defense and HP (its Special Defense also receives a boost from sandstorm). Leftovers is the preferred item, but Chesto Berry allows Regirock to instantly wake up upon using Rest, allowing it to sweep and prevent itself from becoming set-up fodder.</p>
 
<p>This variant of Regirock needs a Pokemon who can set up permanent sandstorm. Without sandstorm in play, Regirock struggles to wall take powerful special hits. Unfortunately, Hippopotas is the only option in UU. In UU, this This Regirock has trouble against Steelix and Donphan, who have great Defense, STAB Earthquake, and Roar to force Regirock out. Pokemon such as Nidoking, Magmortar, and Blaziken can OHKO Steelix, Donphan, and other walls who may be in Regirock's way; however, Magmortar and Blaziken lack sandstorm immunity, so Nidoking is preferred [should probably mention the shared EQ weak]. Haze Milotic is a big nuisance to Regirock, preventing as it prevents it from setting up. Venusaur makes a fantastic partner, as it can easily switch in on Milotic and threaten it with STAB Grass-type attacks. Regirock should be wary of setting up until Encore and Trick users have been eliminated. Common users of these moves include Alakazam, Clefable, and Uxie. Drapion with Pursuit can be a great partner with due to its ability to eliminate common Psychic-type Trick users, and can set up Toxic Spikes to aid Regirock's sweep. Drapion may also utilize Taunt and wear down Clefable as well.</p>
 
[SET]
name: Offensive
move 1: Stone Edge
move 2: Earthquake
move 3: Ice Punch
move 4: Explosion
item: Choice Band / Life Orb
nature: Jolly
evs: 252 Atk / 4 SpD / 252 Spe
 
[SET COMMENTS]
 
<p>Offensive Regirock aims to hit its usual counters hard with boosted attacks. Stone Edge nails any Pokemon who doesn't resist it, and deals respectable damage even when resisted. Earthquake and Ice Punch hit Steel-types and Ground-types, respectively. When Regirock has run its course, Explosion makes sure it takes out another Pokemon before it bites the dust.</p>
 
[ADDITIONAL OPTIONS]
 
<p>Stone Edge is Regirock's main STAB attack, and will dent almost everything who that does not resist it. Earthquake is a nice coverage move, hitting which hits Steelix for super effective damage, and also taking takes care of Registeel quite easily. Ice Punch is there to KO Pokemon such as Torterra and Claydol, who completely wall Stone Edge and Earthquake. A boosted Explosion is extremely powerful, easily KOing any wall who isn't resistant or immune to it. If using Life Orb, one may consider running Rock Polish over a coverage move or Explosion so Regirock can pull off a late-game sweep by boosting its Speed.</p>
 
<p>Regirock takes advantage of Pokemon such as Houndoom and Arcanine, who give Regirock a free opportunity to switch in. Venusaur is probably the best partner for this Regirock set, as it lures out the two previously mentioned Pokemon (Houndoom and Arcanine) these Fire-types, and is also able to take hits from the bulky Water-type Pokemon who give this set trouble. With Houndoom and Arcanine out of the way, Grass-types and Pokemon susceptible to priority, such as Alakazam or Absol, have a much easier time sweeping.</p>
 
[SET]
name: Rock Polish
move 1: Rock Polish
move 2: Stone Edge
move 3: Earthquake
move 4: Explosion
item: Life Orb / Passho Berry
nature: Adamant / Jolly
evs: 252 Atk / 4 Def / 252 Spe
 
[SET COMMENTS]
 
<p>As a Rock Polish user, Regirock can work in two different directions ways. In one On the one hand, Regirock plays can play exactly the same as Rock Polish Rhyperior and Torterra as an offensive late-game sweeper. In the other On the other hand, Regirock lures can also lure in its main counters, Milotic and other bulky Water-types, and blows blow them away with Explosion, opening the door for another sweeper to come in and finish the job. For the other two slots, Stone Edge and Earthquake come together to form the infamous "EdgeQuake" combo, giving Regirock almost perfect neutral coverage in UU (with the exception of Torterra and Claydol).</p>
 
[ADDITIONAL COMMENTS]
 
<p>If using Regirock as a sweeper, an Adamant nature and Life Orb is are recommended in order to give Regirock as much power as possible. If using Regirock as a lure, a Jolly nature and Passho Berry is are recommended instead to ensure Regirock outpaces Milotic, survives Surf or Hydro Pump if need be, and can eliminate it with Explosion. Regirock literally doesn't have anything else worth using in the last slot besides Explosion. Superpower or Brick Break could be used to gain super effective coverage on Normal-types, but most times Stone Edge and Earthquake will be sufficient, and Regirock really doesn't like the power drop from Superpower.</p>
 
<p>If you're not planning on Exploding Regirock at the first sign of a bulky Water-type, teammates who can eliminate them in a cleaner manner is recommended. Venusaur is a great teammate to switch into Water-types and blast them with a super effective Leaf Storm; Venusaur is also a good answer for both Claydol and Torterra,(comma) who resist both Stone Edge and Earthquake. Stealth Rock and Spikes support is also appreciated to garner Regirock a couple of more KOs. With both forms of support, Life Orb Regirock can handidly easily 2HKO Milotic with Stone Edge. Cloyster and Qwilfish can both provide Spikes support while Uxie and Miltank are both good options for Stealth Rock. Finally, if you decide to blast Milotic with Explosion, then a teammate who can capitalize on its absence is crucial. Dragon Dance Feraligatr and Choice Band Azumarill can both wreck teams without a bulky Water-type, as can Blaziken and Arcanine.</p>
 
[Team Options]
 
<p>With Toxic Spikes, Regirock can outstall a significant portion of the UU metagame. Good teammates to set them up include Drapion and Omastar. While sandstorm support is not required by any means, it certainly helps Regirock obtain its full potential and makes it extremely hard to take down. In UU, Hippopotas is the only option for permanent sandstorm support. Regirock is not a sweeper, so it does not really need help from other Pokemon in that regard [possibly change this vis-a-vis Rock Polish?]. It will, however, help Pokemon who benefit from its strong Explosion and Stealth Rock support. Fire-types and sweeping Water-types like Arcanine and Azumarill benefit from Pokemon such as Milotic or Slowbro gone via Explosion. Pokemon such as Sceptile also benefit greatly from Stealth Rock support and the removal of Moltres, which Regirock can easily do achieve.</p>
 
<p>As a pure Rock-type, Regirock is weak to Grass-, Water-, Ground-, Fighting-, and Steel-type attacks. While this seems like a hefty number of weaknesses, you have to account for the fact that there are barely any users of Steel-type attacks in UU, making a Steel-type weakness unimportant. STAB Grass-type attacks are used by Pokemon like Torterra, Sceptile, Leafeon, and Venusaur. Fire-types, such as Arcanine and Moltres, make great teammates to counter these Grass-types. Water-type attacks are seen from many bulky Water-types such as Milotic, Slowbro, and Azumarill. Venusaur is a great partner to take these Pokemon on, easily taking Grass- and Water-type attacks. In return, Regirock can take Fire- or Flying-type attack aimed at Venusaur. Ground- and Fighting-type attacks are basically seen everywhere, making Mismagius a great partner for Regirock with its immunities.</p>
 
<p>Luckily for Regirock, the Pokemon who are often used with Regirock's counters are easily beaten by Regirock itself. Slowbro and Milotic are often seen with Arcanine and Altaria, who whom Regirock handles with its STAB Rock attacks. This means that oftentimes often the opponent will immediately switch to their bulky Water-type when Regirock switches in. If Regirock's use is up, it can Explode as the opponent switches, eliminating their bulky Water-type.</p>
 
[Optional Changes]
 
<p>A "RascalRock" set can be used with Swagger, Thunder Wave, Rock Slide, and a filler like Psych Up. This set would annoy your opponent, but not do much more than that. A set with Counter can be used, as Pokemon such as Steelix will commonly use physical attacks to try and take Regirock down, but Regirock often has trouble giving up a moveslot for Counter. Regirock can also set up Sunny Day and Stealth Rock while Exploding on the opponent's bulky Water-type to open a sweep for a Fire-type teammate.</p>
 
[Counters]
 
<p>Regirock has many counters, due to being more defensively oriented. Steelix is a good switch-in to Regirock, as it takes next to nothing from its Rock-type attacks, and very little damage from Earthquake. Steelix can put a dent in Regirock with its own Earthquake, which will eventually KO Regirock. Similarly, Pokemon such as Rhyperior, Donphan, and Omastar can switch into almost any attack from Regirock with thanks to their high Defense stat, and KO Regirock with Earthquake or Surf, respectively.</p>
 
<p>Bulky Water-types such as Slowbro and Milotic can switch into Regirock with ease, and KO Regirock with STAB Surf. However, Regirock can deal major damage to these threats with Explosion. Venusaur can switch into almost any attack except Thunder Wave and threaten Regirock with a Grass-type attack. Blaziken can KO Regirock with Superpower if Regirock switches into a Fire Blast or a super effective Hidden Power; however, Regirock can survive a Superpower if it has taken very little prior damage.</p>