Sundering transforms into a single use Primordial Storm for 15 sec after it is cast.
Primordial Storm
Devastate nearby enemies with a Primordial Storm dealing 41 Flamestrike, 41 Froststrike, 42 Stormstrike damage, and unleashing a Lightning Bolt or a Chain Lightning at 150% effectiveness. Deals reduced damage beyond 5 targets.
Consumes Maelstrom Weapon for increased damage.