Bloom Doom (Special) is a Grass-type Z-Move that is unleashed when a Pokémon holding a Grassium Z uses the move in combination with a special-type Grass move. The power of Bloom Doom varies depending on the base move but generally offers a significant boost compared to regular moves. Z-Moves like Bloom Doom never miss, ensuring perfect accuracy. This move does not possess any additional effects beyond dealing damage. Introduced in Generation VII, Z-Moves like Bloom Doom provide a powerful, one-time-use attack that can turn the tide of battle, showcasing the strength of Grass-type Pokémon in a competitive setting.