- Quest Item
- Use: Absorb Hati's essence into the Thunderspark. (10 Sec Cooldown)
- "Forged by Keeper Mimiron to harness the power of storms in Titanstrike."
Thunderspark is a relic. Usually securely housed in the heart of , it powers the rifle, harnessing the essence of storms and focusing it into concentrated blasts of energy. The rifle's power source can also be credited to Mimiron, who devised it for his comrade, Keeper Thorim, in ages past.
- Despite being mentioned in Titanstrike's lore since Legion, it was only added as an item in Battle for Azeroth (as it powered the rifle, and was thus part of it).
- Patch 8.1.5 (2019-03-12): Added.