A drowned Greek temple near the centre of the map, holding the 
Artifact of the Brute for the 
Thodes fight.
The entrance is at 48.5 / 49.8. The spawn list runs from cave crawlers to open-water predators — the flooded halls hold 
Megalodon and 
Mosasaurus.
Anglerfish — Lures, then bites hard, in water dark enough that you meet it at melee range. 
Dunkleosteus — High armour and health; slow, but it destroys what it catches. 
Helicoprion — A fast, shark-like open-ocean predator built for speed; it runs down anything slower. 
Manta — Fast, and hits hard for its size in shallow water. Megalodon — Fast, and does enough damage to kill a swimmer immediately. Mosasaurus — Very high health and damage; one of the strongest things in any flooded cave. 
Piranha — Attacks in shoals the moment you enter the water, and does not stop. 
Xiphactinus — A large predatory fish with rows of razor teeth, aggressive to swimmers on sight. 
Electrophorus — Shocks you in the water, which stops you swimming and stops you fighting back until it ends. 
Arthropluera — Its ranged acid attack damages armour directly — primitive Flak breaks in one or two hits — and armour damage cannot be repaired if the piece is destroyed. 
Araneo — Webs you in place from range, which stops you kiting and stops a mount fleeing. Its bite applies torpor. 
Pulmonoscorpius — Torpor per hit, higher than almost anything else its size, and it is fast. 
Titanoboa — Applies heavy torpor per bite and is quiet enough to reach you before you see it. Artifact of the Brute tribute for 4 bosses No tips here yet — be the first survivor to leave one.
Leaving tips is for survivors on the rewards list — reserve your rewards with your e-mail once and the form unlocks everywhere.
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