Grimoire of Mana Burn (Rank 1)
Reworked classic item 16384 · Class books & guides · Wowhead
Changed from classic
Vanilla Plus
Grimoire of Mana Burn (Rank 1)
Binds when picked up
Unique
Classes: Warlock
Requires Level 32
Use: Teaches Felhunter Mana Burn (Rank 1).
Classic
Grimoire of Tainted Blood (Rank 1)
Binds when picked up
Unique
Classes: Warlock
Requires Level 32
Use: Teaches Felhunter Tainted Blood (Rank 1).
Highlighted lines differ. Classic = WoW Classic data from Wowhead.
Source
No known drop source yet.