Talk:GrandGaia:Six Pillars/@comment-111.235.89.23-20160206071752/@comment-72.176.47.169-20160207013529

Gems are used when you have received a game over, they can be used for any vortex/quest to revive your fallen units to let you try again where you left off at.

When people say that they used 'no gems,' that mean they did not lose to the units/bosses.