Checks & Counters
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**Fighting Arceus**: One of the few Pokemon that can switch into Darkrai once Dark Void has been used and not be afraid of any coverage attack.
**Bulky Fairy-types**: Darkrai is very hard to totally counter because of Dark Void. Once the threat of Dark Void is gone, it becomes infinitely easier to stop. Fairy-types such as Xerneas, Clefable, and Sylveon all wall sets lacking Sludge Bomb, and often have a way to deal with status due to Sleep Talk or cleric support. Fairy Arceus lacks a way around Dark Void, but can easily wall Darkrai sets without Sludge Bomb.
**Dark-type Tanks**: Tyranitar, Yveltal, and Dark Arceus can easily wall Darkrai after sacking a teammate to sleep, provided Darkrai doesn't have the appropriate auxiliary coverage.
**Kyogre**: Kyogre must watch out for Thunder and Dark Void (if it lacks lack Sleep Talk), but can tank a hit and smash Darkrai with boosted Water-type attacks.
**Ho-Oh**: When Stealth Rock and Dark Void aren't an issue, Ho-Oh can wall Darkrai and 2HKOes back with Sacred Fire or Brave Bird.
**Revenge Killing**: Thanks to how frail Darkrai is, it is fairly easy to revenge kill. Choice Scarf Pokemon with Sleep Talk such as Terrakion and Zekrom, make some of the best Darkrai checks due to their ability to surprise it for an OHKO. Mega Gengar and Mewtwo are naturally faster than Darkrai and can nail it with a super-effective Fighting-type attack. Choice Scarf users lacking Sleep Talk can still come in after Darkrai has KO'd something and proceed to OHKO it or force it out. Priority attacks aren't going to OHKO Darkrai, but they can easily stop one that has been weakened thanks to Life Orb or Substitute damage. Common priority users and many revenge killers aren't going to enjoy directly switching into Darkrai at anytime though.
**Status**: Darkrai absolutely hates being paralyzed as its great Speed becomes completely useless, and its sweeping potential goes down the drain. Other status ailments such as poison and burns don't bother Darkrai as much, but they can drain down a Life Orb set rather quickly.