For 1-4 turns, the Pokemon has a 1-in-3 chance of hurting itself.

The Pokemon has a 12.5% chance of being unable to use moves. Its Speed stat is also halved. Electric-type Pokemon are unaffected.

The Pokemon can’t use almost any moves but has a 25% chance of being cured each time it tries to do so. The Pokemon will be cured on its third turn after becoming frozen or if it takes damage from a Fire-type move or certain other moves. Ice-type Pokemon are unaffected.

The Pokemon takes damage equal to 1/16 of its max HP at the end of every turn. The damage dealt by its physical moves is also halved. Fire-type Pokemon are unaffected.