Engrave Belt - Maelstrom Weapon
Client records describe this reading. They do not confirm availability in gameplay.
Current client record
Engrave your belt with the Maelstrom Weapon rune: 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 20%. Stacks up to 5 times. Lasts 30 sec.
Sourced change history
No changes in the tracked log could be matched to this record. This does not mean the ability or item has never changed.