Previous quests in the chain:
Start NPC: Libinienn
All those ancient prophecies and long-dead gods won't do us any good if the direpaw mandrills keep tearing everything apart.
They've rampaged through the Upper Archive, but we must stop further damage so the researchers can continue with their work.
Reduce their numbers the way only you can, and then report to Decurion Litherus who's in charge of the Lower Archive.
I was starting to worry about those direpaw mandrills, and you solve the problem before I can lift a finger. That's what I call "anticipation."
Kill direpaw mandrills in the Upper Archive.
Report to Decurion Litherus in the Lower Archive.