Decaying Skulls

Overview
Decaying Skulls is a magic weapon that can be obtained by killing the Wither. It costs 20 mana to use and summons a wither skull at all enemies around you that falls on them and explodes

The Wither
You can obtain the Decaying Skulls by killing the Wither.

Magic Weapon
When you use the Decaying Skulls it will cost 20 mana points and summon a wither skull at all enemies within a 10 block radius of you that falls on them and explodes. The book will also give you 5 seconds of immunity to the wither status effect each use.