Death Blossom

Unleash a torrent of power beyond your control. You no longer direct where the projectiles go, but their damage is greatly increased to 1215% weapon damage as Arcane.

Arcane Torrent damage is increased by 640% weapon damage every second, up to a maximum total of 2495% weapon damage as Arcane.

Unlocked at level 25

Volatility

Enemies killed by the beam have a 35% chance to explode causing 750% weapon damage as Arcane to all enemies within 8 yards.

Unlocked at level 30

Cannoneer

The Familiar's projectiles explode on impact, dealing 240% weapon damage as Arcane to all enemies within 6 yards.

Unlocked at level 57

Mammoth Hydra

Summon a Mammoth Hydra that breathes a river of flame at nearby enemies, dealing 330% weapon damage per second as Fire to enemies caught on the burning ground.

Unlocked at level 56

Apocalypse

Increase the area of effect of Blizzard to a 30 yard radius.

Blizzard's damage turns into Fire.

Unlocked at level 54

Storm Chaser

Each cast of Energy Twister grants you a Lightning Charge. You can store up to 3 Lightning Charges at a time. Casting a Signature spell releases all Lightning Charges as a bolt of Lightning that deals 196% weapon damage as Lightning per Lightning Charge.

Energy Twister's damage turns into Lightning.

The following skills are Signature spells:

Magic Missile

Shock Pulse

Spectral Blade

Electrocute

Unlocked at level 52