Rank 1 Reduces the Mana cost of your Trap and melee abilities by 30%, and grants your melee and ranged ability Critical Strikes a 50% chance to allow 50% of your Mana Regeneration to continue while casting for 30 sec.
Rank 2 Reduces the Mana cost of your Trap and melee abilities by 60%, and grants your melee and ranged ability Critical Strikes a 100% chance to allow 50% of your Mana Regeneration to continue while casting for 30 sec.