???

??? is an item that is given to the player once they start a new world. it's used to trigger Extreme Mode and can only be used in Expert Mode.

"activates Extreme Mode. Extreme Mode changes some Boss AI's or adds new phases to them. You take 10% more damage than in Expert, but your healing is boosted by a little. Every monster will get buffed and eventually become a nightmare. Each boss will have a unique drop exclusive to Extreme Mode. The effects cannot be reversed!"

Consumable - yes