Categories Game Guides

All 9 Keystone Locations in Fisch – Luminescent Cavern

Where are all the Keystones located in Fisch?

Turtle Keystone

  • A Keystone in Fisch
    Screenshot by Mickey
  • A cave in Fisch
    Image via Mickey

Within the Terrapin Hideaway on Terrapin Island, the Turtle Keystone rests in a cave at coordinates (60, 147, 2025). Navigate to the innermost chamber to locate it.

Skull Keystone

A player standing near a Keystone
Image via Mickey

Journey to Forsaken Shore’s cliffs near (-2800, 209, 1540). The orange Skull Keystone sits beside Jack Marrow, a pirate NPC who repairs maps.

Fossil Keystone

A player standing near a Keystone
Image via Mickey

Hovering from a crane at Ancient Isle’s center (6075, 230, 259), the Fossil Keystone requires glider use for safe retrieval.

Mushroom Keystone

A player standing near a Keystone
Image via Mickey

Central to Mushgrove Swamp’s Alligator Marsh lies a derelict boat at (2680, 125, -7160), housing the Mushroom Keystone.

Cliff Keystone

A player next to a Keystone
Image via Mickey

Navigate Castaway Cliff’s slopes to (473, 230, -2159), where the glowing Cliff Keystone hides behind a tree.

Snowflake Keystone

After triggering three cracks in Snowcap Cave, access Snow Burrow at (2790, 155, 2575) to claim this icy Keystone.

Sun Keystone

A player standing near a Keystone
Image by Mickey

Merlin’s Hut atop Sunstone Island (-938, 225, -988) contains the Sun Keystone within a wooden barrel.

Volcano Keystone

Glide to Roslit Volcano’s core at (-1975, 178, 269), where the Keystone lies beneath a stone podium.

Lightning Keystone

A player standing near a Keystone
Screenshot by Mickey

Grand Reef’s initial island holds this Keystone at (3430, 137, 265).

Once all Keystones are acquired, return to Desolate Deep. Insert them sequentially to breach the Luminescent Cavern’s entrance.