Houndoom

Sleep conditions lasts for half as long, rounding down. For example, half of three turns is 1.5, which rounds down to one turn. When the number of turns to sleep is one, half of this rounded down is zero, and the Pokémon wakes up instantly.

Activates when user is hit by a damaging Fire-type move (including Fire-type Hidden Power). Once activated, user’s Fire-type moves deal 1.5 times damage. While this ability is in effect, this Pokémon is immune to damage from Fire-type attacks and Fire-type Hidden Power (accuracy and effect from these moves are ignored). For Fire-type Pokémon with this ability, Will-O-Wisp activates this ability without having an effect.

The opponent Pokémon will never use their held Berry while the Pokémon is in battle.