Master Skull

Master Skulls are upgradable accessories which are rare drops in every Master Catacombs Floor. They buff and  by an increasing percentage while in Master Mode.

Obtaining
Master Skulls can drop from Dungeon Reward Chest in any floor in Master Mode Catacombs. Higher tier skulls drop from higher floors.

Crafting
Each tier of Master Skull can be crafted from 4 of the tier below it.

Usage
Each tier of Master Skull boosts and  by a percentage in Master Mode only.

Trivia

 * It would take 4,096 Tier 1 Skulls to make a Tier 7.
 * The reforge stats used to stack, meaning it was beneficial to have one of each master skull in your Accessory Bag or inventory as it could have stacked up to +34% and . This has been fixed in a recent update and it no longer works.