Defeat all encounters in addition to Oaxiltso, Flame-Herald Bahsei, and Xalvakka within 30 minutes of entering Veteran Rockgrove. Your timer starts when you engage the first group of enemies. Defeating Bask-In-Snakes and the injured Sul-Xan Militants is not required for completion.
Defeat Oaxiltso, Flame-Herald Bahsei, and Xalvakka along with all their hostile followers after raising the challenge banner for each of them, without suffering a group member death, within 30 minutes of entering Veteran Rockgrove. Defeating Bask-In-Snakes and the injured Sul-Xan Militants is not required for completion.
For every time that Noxious Sludge is cleansed, use all 4 cleansing pools to simultaneously remove it from 4 different infected party members, then defeat Oaxiltso in Veteran Rockgrove.
Defeat all encounters in addition to Oaxiltso, Flame-Herald Bahsei, and Xalvakka in Veteran Rockgrove without suffering a group member death. Defeating Bask-In-Snakes and the injured Sul-Xan Militants is not required for completion.