Syphon Life

Syphon life is a Channeling Hp drain spell that Roots 1 Enemies (Bosses and Elites do not root) and Deals 1d8 Damage and heals the caster for 50% the damage dealt. Caster is also Rooted During the connection if caster is struck Roll Concentration Save 1d20 to maintain the connection. DC 10+50% damage taken. if the save fails connection is broken.

Scaling of the spell is 1d8 +1 Necrotic damage per Class level / Healing 50% of damage rolled +1 healing per Class Level. 

Scaling level 2 version at Level 5  "2d8 +1 per class level.

Scaling level 3 version at Level 10  "3d8 +1 per class level.

Scaling level 4 version at Level 15  "4d8 +1 per class level.