Engrave Gloves - Arcane Blast

Engrave your gloves with the Arcane Blast rune: Blasts the target with energy, dealing 30 to 34 Arcane damage. Each time you cast Arcane Blast, you gain 15% of your Intellect as Spell Damage and the mana cost of Arcane Blast is increased by 175%. Effect stacks up to 4 times and lasts 15 sec from time of initial application.