No part of this walkthrough may be reproduced on another site without permission. Keep an eye on the health bar from this point and pause to use medi packs as needed. If you fall through the floor, you'll land in the pool at the end of the aqueduct and have to climb all the way back here.

You may need to take a dip to draw them out so you can shoot them from the walkway. Quickly pull up, turn left and take a running jump onto the next protruding ledge. Opposite the temple and to the right is a tunnel that leads to the pillar room.

On the back of the column is a series of handholds. Use it to open the gate a little farther along the left side of the garden.