Crystals and reward currency
Maximize Crystals with side objectives
Optional room tasks can add Crystal rewards, building the budget available for end-of-run loot.
Chaos Chamber encounter rooms; check the displayed objective and the reward point after the encounter.
Repeat in each room that offers an objective; rewards depend on completing that room’s task.
Stop attempting side objectives when they threaten survival or slow a run whose primary purpose is a safe clear.
Open a guide to find other locations and see what the item is used for.
Optional room tasks can add Crystal rewards, building the budget available for end-of-run loot.