Powder

Powder is a recurring enemy ability in the series. It is also a recurring item theme, as it appears in the form of several items, including Dream Powder, Poison Powder, Sleep Powder, Silence Powder, and Zombie Powder. Variants of attacks are usually of the same name as the items, though some, such as Silver Powder and Darkness Powder, never appear as items and are exclusive enemy abilities.

Final Fantasy IV
Poison Powder, originally translated as Powder, is an enemy ability used by Hellflapper, Gloomwing, and Eyewing Moth. It inflicts non-elemental damage and, oddly enough, Blind to the entire party.

Final Fantasy V
Several variations of Powder exist in the game, each inflicting a specific status effect. Variants include Confuse Powder, Darkness Powder, Paralyze Powder, Poison Powder, Silver Powder, and Zombie Powder, all used by the Dragon Flower enemies.

Final Fantasy VI
Bone Powder, used by Black Dragon, inflicts Zombie on a party member.

Final Fantasy VII
Toxic Powder is an enemy ability used by Bizarre Bug. It inflicts Poison to the entire party.

Final Fantasy VIII
Zombie Powder is an item sometimes dropped by Undead enemies that can be refined into Holy Water.

Final Fantasy IX
Venom Powder, used by both versions of Lich as well as Meltigemini, inflicts Venom on a party member. Virus Powder, used by Ring Leader and Yan, inflicts Virus as well as moderate non-elemental damage to a party member. Zombie Breath, used exclusively by Whale Zombie, inflicts Zombie to one party member.

Final Fantasy X
Sleeping Powder and Dream Powder' are both Use items that inflict Sleep. They can be customized to add different Sleep derived abilities, and the Sleeping Powder can be used to teach Aeons Sleep Attack and Sleep Buster.

Final Fantasy X-2
Ebon Powder, an enemy ability used by Bully Cap, inflicts Blind to the party, while Nausea Powder, used by Big Bully Cap and Mycotoxin, inflicts minor non-elemental damage and Poison to the party. The most dangerous powder, Pernicious Powder which is used by only Mushroom Cloud, inflicts a variety of statuses as well as reducing strength and magic to the entire party.

Final Fantasy Mystic Quest
Doom Powder is capable of inflicting Instant Death, and is used by Skuldier. Sleep Powder inflicts Sleep, and is used by Mummy, Skuldier, and Skullrus Rex.