While technically usable by any class, it was specifically designed for Necromancers to increase their Thorns efficiency. Every enemy affected by one or more Curses will increase the Thorns value of the Necromancer (and their minions, with Aberrant Animator) multiplicatively. However, being affected by more than one curse does not make enemy to increase the bonus.
Stats (Level 15)Edit
Spear of Jairo