Enemies damaged by your Arcane spells are affected with Arcane Weakness, increasing damage taken by X% for X seconds.
Storm Skills — Charged Bolt • Thunderstruck • Empowered Magic • Lightning Speed • Storm Armor • Frost Nova • Deep Freeze • Power Armor • Static Charge • Electrocute • Ray of Frost • Lethal Energy • Improved Charged Bolt • Static Residue • Blizzard • Storm Power • Epic Storms • Shattering Ice • Tornado
Arcane Skills — Magic Missile • Arcane Power • Efficient Magics • Penetrating Spells • Disintegrate • Wave of Force • Arcane Armor • Arcane Weakness • Arcane Speed • Arcane Orb • Slow Time • Arcane Distortion • Mana Recovery • Improved Magic Missile • Temporal Armor • Teleport • Greater Mana • Mana Burst • Runic Might
Conjuring Skills — Spectral Blade • Spell Speed • Weapon Mastery • Damage Resistance • Stone Skin • Mirror Image • Conjured Armor • Conjured Health • Duplicate Conjuring • Meteor Storm • Acid Cloud • Conjured Power • Conjured Duration • Improved Spectral Blade • Hydra • Magic Weapon • Magical Impact • Slowing Strikes • Armor Piercing