Tomb Raider: Underworld - [Coastal Thailand] - Puppet No Longer - game guide, walkthrough, secrets, game tips & strategies

Catch the line the of roundel, which is protruding from the wall on right and jump down from the ledge, pulling off the line a little in the same time (E). Swing yourself by running along the southern wall,. When you are at maximally height on left, recoil from the wall and land again on the rocky path.

Start climbing the edges, which are protruding from the wall, and after that, jump in the direction of the bar, which is protruding from the wall. When you do this, the door located under water will open. Jump to the water, dive and swim out the room.

Keep swimming straightforward. You will reach the stone gate. Pull off the key, which is protruding from it and swim out to the open waters. Go to the boat, which is located in short distance from your location.