Wither Catalyst

The Wither Catalyst is a Rare Dungeon item that can be used to upgrade or craft multiple items including the Wither Relic, Necron's Blade, and the Catacombs Expert Ring.

Obtaining
The Wither Catalyst can be obtained from Gold Chests and above in The Catacombs - Floor VII. It costs coins to open from chests.

Usage
This item can be used to craft 3 items, of which are the Wither Relic, Necron's Blade, and the Catacombs Expert Ring.