Arcane Blast Rank 3

Blasts the target with energy, dealing 1047 to 1215 Arcane damage. Each time you cast Arcane Blast, the damage of all Arcane spells is increased by ?% and mana cost of Arcane Blast is increased by ?%. Effect stacks up to 1 times and lasts until cancelled or until any Arcane damage spell except Arcane Blast is cast.