Swords Dance
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name: Swords Dance
move 1: Swords Dance
move 2: Sucker Punch
move 3: Knock Off / Baton Pass
move 4: Play Rough / Baton Pass
ability: Justified
item: Absolite
evs: 252 Atk / 4 SpD / 252 Spe
nature: Jolly
Moves
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By running Swords Dance, Mega Absol can boost it's its already-respectable 150 base 150 Attack, which allows it to sweep teams. Knock Off and Sucker Punch function as Mega Absol's preferred STAB attacks; the former dealing deals heavy damage and removes the target's item, whereas Sucker Punch allows Mega Absol ridding opponents of their item, and the latter functioning as priority to get around faster Pokemon by using priority. For coverage, Play Rough is preferred, (AC) as it gives Mega Absol near-unresisted coverage, Klefki being the only relevant Pokemon that to resists both Dark and Fairy. However, Baton Pass is also an option as it allows Absol to pass its boosts to a teammate that can handle Pokemon such as like Sylveon and Clefable.
Iron Tail would allow Mega Absol to get past Mega Diancie and 2HKO physically defensive Clefable, but has no uses outside of that. Superpower beats Heatran and Tyranitar without boosts, but the Attack drop damages Mega Absol's your sweeping potential, possibly causing it to miss out on KOs it would get at +2 but not missing out on KOs that you got at +2 that you don't get at +1.
Set Details
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The main draws to this set are priority Sucker Punch and avoiding Thundurus's Prankster Thunder Wave, which gives it a niche over Mega Houndoom, another Pokemon that who also beats things like Mega Sableye. The EV spread is very straightforward; simply just use max Attack and Speed, (AC) because nothing else helps is helping Mega Absol much. Due to its ability to boost Attack with Swords Dance, this Absol functions well against defensive teams as the Attack boost makes it harder to wall. (Some less-fluffy version of this sentence belongs in UT.) A The preferred nature is Jolly nature as this allows Absol to outrun Thundurus and Adamant Talonflame; an Adamant nature gives Mega Absol a higher damage output, which gives you a better chance to 2HKO Mega Sableye without boosts, (RC) but although it loses out on a lot of Speed, (AC) which makes you Mega Absol unable to outrun Pokemon such as Keldeo and Garchomp.
Usage Tips
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Due to Absol's poor Speed prior to Mega Evolution, it may be difficult to Mega Evolve. Mega Sableye is a good target to Mega Evolve on, (AC) as its options against Mega Absol are relatively lacking outside of Foul Play; just don't switch regular Absol into on a Will-O-Wisp before you Mega Evolve. In addition, Pokemon such as like Latios, Latias, and Gengar make excellent targets to Mega Evolve on, (AC) as they are threatened out by Sucker Punch. Mega Absol can also function as a revenge killer thanks to Sucker Punch; for example, it can pick off a weakened Mega Metagross.
Although Mega Absol being a physical sweeper unfazed by Mega Sableye's Will-O-Wisp is one of its biggest boons, it is imperative to play carefully around Mega Sableye. If Mega Sableye is a Calm Mind set, Mega Absol can go ahead and set up, (AC) because Mega Sableye can't do much to it you. However, if Mega Sableye has Foul Play, it can OHKO Mega Absol that try to set up you will need to play carefully as it will threaten an OHKO if you set up. Aside from Calm Mind Mega Sableye, the aforementioned Latios, Latias, and Gengar are also good targets to set up on, (AC) as they fear Sucker Punch.
Due to Mega Absol's poor bulk, it you will not have an easy time switching in on anything. If you need to get it in, switch into on a defensive threat like non-Foul Play Mega Sableye that can't do much to you, (AC) such as non-Foul Play Mega Sableye, (AC) or use a slow U-turn or Volt Switch user to get it in.
Team Options
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Regarding options for teammates, you Mega Absol just can't get a better offensive partner than Talonflame. It resists every type Mega Absol is weak to, can easily revenge kill Fighting-types such as like Keldeo, Conkeldurr, and Breloom, and functions as a switch-in to defensive Fairy-types, (AC) like such as Clefable, (AC) which that Absol hates facing. On top of all of this, Talonflame makes an excellent recipient of Mega Absol's boosts should Mega Absol be running Baton Pass.
Although Mega Absol outruns Adamant Talonflame, Jolly Talonflame will pose a problem for it as it can outspeeds and beat Mega Absol with Brave Bird. For this reason, teammates that can handle Talonflame, (AC) such as Heatran, Rhyperior, and Rotom-W, (AC) make good partners. Landorus-T is another excellent teammate, (AC) as it can utilize a slow U-turn to get Mega Absol in safely.
Because Fairy-types pose a problem for Mega Absol, it is ideal to run Steel-types or other Pokemon that can handle them; examples include Scizor, Gengar, and Heatran. In addition, Fighting-types such as like Terrakion and Keldeo benefit from Mega Absol's ability to check Latios and Latias and can also bait Psychic- and Ghost-types that Mega Absol can force out and set up on. Specially offensive sweepers such as Calm Mind Latios, Serperior, Calm Mind Clefable, and Volcarona also make good options, (AC) as they can help to break down balanced and defensive cores on both ends of the spectrum. Finally, Pokemon that appreciate having a teammate to beat Mega Sableye removed appreciate having Mega Absol on their team; Landorus-T, Toxicroak, and Terrakion are only a few examples.