Dealing damage with Frost Bolt reduces the Cooldown of Inferno Cannon by 2s.
Level 4
Permafrost
Frost Bomb
Increase the Projectile Speed of Frost Bomb by 18%.
Level 3
Arcane Ice
Frost Bomb
Increase the Mana generation of Frost Bomb by 75%.
Level 5
Arcane Flame
Inferno Cannon
Increase the Mana generation of Inferno Cannon by 15%.
Level 1
Elemental Grace
Armor
Gain a 200-health Shield for 3s after dropping to or below 50% Health.
Level 2
Pyromania
Pyre Ball
Each of your Pyre Balls explodes in a 20-unit-radius area on hit and generate more Mana, but the damage of Pyre Ball when fully charged is reduced to 800.