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

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

Point of No Return

Enemies that enter or leave the Slow Time area are stunned for 5 seconds.

Unlocked at level 47

Wormhole

After casting Teleport, you have 3 seconds to Teleport 1 additional time.

Unlocked at level 31

Prismatic Armor

Energy Armor also increases your resistance to all damage types 25%.

Unlocked at level 60

Chain Reaction

Instead of a single explosion, release a chain of 3 consecutive explosions, each dealing 520% weapon damage as Fire.

Unlocked at level 56