Maelstrom Weapon
Maelstrom Weapon is a Shaman spell in the WoW Forever client.
When you deal damage with a melee attack, you have a chance to reduce the cast time and Mana cost of your next Lightning Bolt spell by 4%. Stacks up to 5 times. Lasts 30 sec.
Data from the WoW Forever client, build 1.60.1.70862, extracted .