Conquer the Hall of Erosion

Level:	80+
Quest type
Restrictions:	None
Race:	Any race
Class:	Any class
Start location	Seed of Infinity / Rombarshya Territory
Start NPC	Tepios
Reward	Mark of Keucereus - Stage 2

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Descriptio

Talk to Officer Tepios in the waiting room of the Seed of Infinity.
Map
The command channel leader need to enter via the Mouth of Ekimus (on the right from Tepios) to the Hall of Erosion.
Run down the round corridor and run into the rooms. Destroy 4 Tumors of Death (top priority), Symbols of Cohemenes and the mobs (optional). When all the tumors have been destroyed, Soul Collector Cohemenes will appear.
1st party destroys Cohemenes in the Hall of Erosion, the rest need to run through the rooms to destroy Tumors of Death. If all the tumors are resurrected, Cohemenes will disappear, you’ll fail the quest.
The command channel leader needs to talk to Tepios so everyone could get their reward.

If there's a different stage if the Seed, you need to take Defend the Hall of Erosion quest instead.