The survivors of a long ago invasion have taken refuge in the forgotten underground city of gravehold there the desperate remnants of society have learned that the energy of the very breaches the beings use to attack them can be repurposed through various gems transforming the malign energies within into beneficial spells and weapons to aid their last line of defense the breach mages aeon39s end is a cooperative game that explores the deckbuilding genre with a number of innovative mechanisms i