Collect and upgrade numerous unique cards

Unique travel system based on travel cards

Participate in various events of the grim world and visit different locations

Gather building materials and construct upgrades to make subsequent journeys significantly easier

Grim and tragic story of a secret society and the mystery of the strange monolith called the Heart of the Sea

Find allies for battles or summon help through magical rituals, items, or cards

Each member of the secret society hides their own secret. Discover them by collecting memory fragments together