Soot Sack appears in 7 version groups since Generation III, a Gameplay item in the Key Items pocket
PokéAPI item 531 of 2,223, Gameplay category, Key Items pocket
Effect, in PokéAPI's words
Soot Sack: “Stores volcanic ash from Route 113.”
Collects soot when walking through tall grass on Route 113.
Games
Soot Sack is listed in the text of 7 version groups, first in Generation III
Game index by generation
IIIIIIIVVVIVIIVIIIIX
Named in
Ruby and SapphireEmeraldFireRed and LeafGreenSun and MoonUltra Sun and Ultra MoonLet's Go Pikachu and Let's Go EeveeSword and Shield