Arcane Bomb
Classic item, same as classic 16040 · Engineering & fireworks · Wowhead
Arcane Bomb
Requires Engineering (300)
Use: Drains 675 to 1125 mana from those in the blast radius and does 50% of the mana drained in damage to the target. Also Silences targets in the blast for 5 sec.
Source
No known drop source yet.