A random boss modifier is applied to the wolf.
Adds the Chaos tag.
1 - Werewolf
Summon a Werewolf instead of a wolf.
Adds the Dark tag.
4 - Fenris
Summon Fenris instead of a wolf.
Consumes all remaining charges on cast.
For each charge consumed, Fenris gains the damage and health of your wolf.
Each time Fenris kills a unit, he grows more powerful.