- Take the ladder down and go over to the green-outlined handle by it.
- Interact with the handle to lower the gate nearby.
- Go across the sluiceway gate and then take the ladder down on the opposite side.
- Look opposite the ladder to find a stack of crates that can have something.
- Head over to the right and take the nearby ladder down into the waterway here.
- Go forward, over to the left, in the waterway to encounter another Sahagin to take on quickly.
- Head to the Southwest to find a stack of crates, head over to the East to find the next needed lever.
- This will raise the water level, creating a bridge across the water.
- Everyone will make it across, if just, so follow it up by taking the nearby ladder upward to ground level.
- Go over to the left and onto the nearby platform.
- Head over to the left and head to the stone platform going across the gap.
- Another cutscene will run and the bridge will break underneath Cloud.