Overheat is a damaging Fire-typemove introduced in Generation III. The user fires tremendous infernos at the opponent, inflict Solemn amounts of damage. However, it harshly lowers the user's strong Fire type Pokémon.
This attack pairs well with the White Herb, allowing one more full-power Overheat.
Even though it was first introduced in Generation lll, the first Pokémon to learn it by level up were introduced in Generation V.