Hit the lever and open the doors ahead. Follow the Nali Priest outside - he'll lead you to a Stinger and a series of levers that will open the doors ahead of you.

Enter the arch on your left, and then go through the next arches on to the cliff edge. Carry on round the outside, kill the Skaarj by the crucified Nali, turn back and enter the graveyard.

A stone monument will push aside - there's a button beneath it that will reveal a lift in the grave. Ride it down to reach the tombs and search them for plenty of gear including an Invisibility power-up.

Swim through the well and surface, go left to the wooden landing over the cliff edge, jump down to the ledge below and follow it to your right. Follow the passage and kill the Krall on the landing to your left.

Go down the stairs to the room - you'll find two logbooks in an alcove. Follow the passageway to the prison cells and watch out for the Krall swarming up the stairs. Enter the cells and push the lever to open the cell doors. Read the logbooks on the table.

Dive into the water beneath the stairwell, swim through the small tunnel and enter a secret room. Enter the water again, but this time, swim through the tunnel at the bottom of the shaft. You'll come out by a small courtyard.

Walk through the door near the stairs to reach a courtyard near the main gate. Enter the doorway to the left and take the stairs down. Jump to the crossbeam ahead, then down behind the laser beams to reach a control panel. This will deactivate the laser beams.

There's another control panel behind the water filled tubes in the next room - read it and push the lever to ride the lift back up. Go back to the stairway near the small courtyard and climb it. Jump down into the sanctuary and get the Shield Belt near the mirrored wall.

Exit and go out the main gate. Turn right and jump off the cliff into the water below. Climb out onto the landing below, kill the Behemoth guarding the Nali, enter the tunnel on the left and swim around to the next landing. Walk past the disabled electrodes and step onto the round lift.

Jump up to hit the lever and the lift will drop. Go down and follow the passageway - at the end is a spiral staircase. Go up and use the left control panel to deactivate the Bell Tower's magnetic locks.

Enter the small tunnel on the left to ride the lift up to the Tower Enter the Tower door and push the lever inside to activate the lift. Pull the switches on either side of the lift to activate the Static Discharge Nodes.

Ride the lift back down. Jump off on the ledge just above ground level to reach the shipping car. Ride it to its destination, and take the lift inside to leave the monastery.