Items
Chests
Coffers, chests and war chests.
Coffer
Bronze Coffer
Tough monsters. Gear up to rare.
Chest
Bronze Chest
Exploring. Gear up to epic.
War chest
Bronze War Chest
Bosses. The trophy, a chance at a Tower Relic.
Of its map
The map's set and material, books, belts.
Also as rewards
Daily gifts, tasks, the pass, the world boss.
Open 1, 10 or all
On the Hero page; every chance is listed inside.
Everything must fit
Else nothing opens.