Gem of Chance
From FragoriaWiki
Have 3 varieties in the game:
Usual
Increases chance of a successful item improvement. It can be bought from the shop or get them from quests . Its binded item and cannot be pounced. It cannot be traded in auction.
Golden
Using this gem, increases the chance of Magic chests to improve items. Gives a higher chance of improving purple and especially gold items . For white, green and blue items, it will have the same effect as the usual Gem of chance.
Purple
Using this gem, increases the chance of Magic chests to improve items. Provides the highest possible chance of improving both the purple and gold. In white, green and blue items has the same effect as the usual Gem of chance .