In Ashen World, you obtain the results of a biological weapon known as Ashen. You use these Ashen to battle opponents in a turn-based, 4v4 battle. Your rewards for this battle? Fossils, the primary resource for Ashen World. Fossils can be used to heal your Ashen from damage and dehabilitating status conditions, or they can be used at labs to genetically modify Ashen, splicing new types, passives, and abilities onto them