Glacial Spike

Cast out a shard of ice that explodes on impact, causing enemies within 4.5 yards to take 175% weapon damage as Cold and be Frozen for 1 second.

Enemies cannot be Frozen by Glacial Spike more than once every 5 seconds.

Unlocked at level 13

Frozen Storm

A whirling storm of ice builds around you, dealing 80% weapon damage as Cold every second.

Unlocked at level 53

Blazing Hydra

Summon a Blazing Hydra that spits bolts of Fire that burn enemies near the point of impact, dealing 155% weapon damage as Fire over 3 seconds. Burn damage can stack multiple times on the same enemy.

Unlocked at level 38

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

Calamity

Cast a short range Wave of Force upon arrival, dealing 175% weapon damage as Arcane to all nearby enemies and stunning them for 1 second.

Unlocked at level 59

Cold Snap

Reduce the cooldown to 7.5 seconds and increase the Freeze duration to 3 seconds.

Unlocked at level 18