The Cave of Unknown Waters is a location in Elden Ring. It is located in Mount Gelmir. You can reach it by heading north through the ravine west of the Wyndham Ruins. Watch out for the fire geysers along the way. You will need two Stone Sword keys to unlock the cave entrance. There are no NPCs or merchants at this location.
Video of the visit with a hidden jump!
A short visit to the caves of uncharted waters.
Decay Adept Boss:
- 2 Followers of Decay
Their loot:
- Exultation of the Adepts of Putrefaction
- Fungal armor set
(Increases attack power when Poisoned or Scarlet Rot nearby)
How do you cross the caverns of uncharted waters?
- Descend a small ledge to find 2 Leyndell soldiers.
- Climb down a hole to reach the cavern's main area.
- Since the descent, there is loot on the right. Loot the body draped over the cliff for the Gold Rune (7).
- Take on rats and a giant rat.
- Descend a poisonous waterfall.
- Explore the left path to find the group of mushrooms and other enemies.
- Turn right again and go down the last tunnel before boss.
- Fight a rat for a Gold Rune (6).
- Take on boss: 2 Putrefaction Adepts.
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