Researching the Corruption
Collect 8 Corrupted Brain Stems from the naga and satyrs.
Collect 8 Corrupted Brain Stems from the naga and satyrs.


Satyrs and naga in the entrance cave also drop brain stems.
Alliance: Gershala Nightwhisper in Darkshore (38.4, 43.1).
Alliance: Gershala Nightwhisper in Darkshore (38.4, 43.1).
Beetle Clasps, Prelacy Cape, Staghide Armguards, 2,400 XP.
Researching the Corruption is a level 24 quest; you can pick it up from level 18. It takes you into Blackfathom Deeps.
All Blackfathom Deeps quests on one map ·Blackfathom Deeps dungeon guide
Sources: Quest data from ForeverDB.net · ForeverDB: Blackfathom Deeps · ForeverDB: Every dungeon quest for the level 20 to 30 dungeons · ForeverDB: The Orb of Soran'ruk · ForeverDB: Seeking the Kor Gem · ForeverDB: Baron Aquanis · Warcraft Wiki: Blackfathom Deeps (Classic)