god stone appears in 3 version groups since Generation V, an Unused item in the Key Items pocket
PokéAPI item 663 of 2,223, Unused category, Key Items pocket
Effect, in PokéAPI's words
god stone: “Unknown. Currently unused.”
Games
god stone is listed in the text of 3 version groups, first in Generation V
Game index by generation
IIIIIIIVVVIVIIVIIIIX
Named in
Black and WhiteBlack 2 and White 2X and Y