Conflagrate

The missile pierces through enemies and causes them to burn for 130% weapon damage as Fire over 3 seconds.

Burn damage stacks up to 3 times and any Fire damage taken from your other spells refresh all stacks to their maximum duration.

Unlocked at level 52

Frozen Orb

Create an orb of frozen death that shreds an area with ice bolts, dealing 950% weapon damage as Cold.

Unlocked at level 55

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

Time Shell

Increase the potency of the movement speed reduction to 80% and reduces the cooldown to 12 seconds.

Unlocked at level 23

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

Power of the Storm

Reduce the Arcane Power cost of all skills by 3 while Storm Armor is active.

Unlocked at level 33