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

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

Prismatic Armor

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

Unlocked at level 60

Force Weapon

Increase the damage bonus of Magic Weapon to 20% damage.

Unlocked at level 35

Arcanot

While the Familiar is active, you regenerate 4.5 Arcane Power every second.

Unlocked at level 50

Spellsteal

Enemies hit by Black Hole deal 10% reduced damage for 5 seconds. Each enemy hit by Black Hole grants you 3% increased damage for 5 seconds.

Unlocked at level 69