Darkness Attack is a type of sticker power-up that adds damage to the dark-based attacks, such as Warlock Punch and others. Attacks that use Darkness cause characters to be burnt with purple fire with emit shadowy energy with momentarily, but it can't instantly detonate Blast Boxes.
Characters who can use Darkness in their attacks
- Ganondorf - forward smash, Warlock Punch, Gerudo Dragon, Flame Choke, Dark Dive (ending uppercut in SSBB), Wizard's Foot, Beast Ganon (dash)
- Giga Bowser - forward tilt, up tilt, down tilt, forward air
- Kirby - can copy Warlock Punch, Shadow Ball, or Pikmin Throw
- Mewtwo - neutral attack (infinite hit), dash attack, up smash, down smash, forward smash, forward air, forward throw, Shadow Ball
- Olimar - with White Pikmin: pummel, Pikmin Throw, Pikmin Chain (while it is considered that White Pikmin inflict poison, they technically use the darkness effect)