Pursue the strange Harpy to find Failsafe's captain.
- Make your way up to the nearby tunnel.
- This will lead you into the Sunken Cavern.
- Go forward to the entrance of the Sunken Cavern.
- You will find the strange harpy just in front of you.
- Follow the harpy forward into the depths of the Sunken Cavern.
- Go to the edge of the cliff where you can see the floating rocks below you.