How to Solve the Puzzle with 4 Torches and Whirlpool on Dangerous Island Genshin Impact

Teleport to dangerous island, summon Roach and travel west from dangerous island to a small island there you will find a puzzle, light three torches.

Now climb into the Roach and swim into the whirlpool. We will get to a secret place under the island.

Examine the stone slab and climb up the roots. Run forward along the corridor, inspect the stone slab and stand on the pressure plate, the gate will open.

Go through the gate, it will slam shut. Examine the stone tablet, it says "... about one in the morning, probably the most opportune moment ...". Rest until XNUMX am, break the rock, water will appear in the room, then stand on the pressure plate. The room will begin to fill with water and the grate will open on top.

After the room fills with water, light the fourth torch, open the deluxe chest and climb up the roots to collect the chest and complete the puzzle.