Wade into the pool at the far end of the room from the entrance and use your torch to light the gas vent.

As Lara explains, the gas is then directed to the second vent, on the left side of the room. The gate in front of that vent opens, and several enemies emerge.

Quickly climb out of the pool before the water starts to boil. Remember, you don't want to take damage if you're going for the hot water challenge. The other pools are safe for now, but you'll probably want to stay on the walkway as you fight various skeletons, scarabs, and Sobek warriors.

Now wade through the pool on the left and light the second vent.

This shunts the gas to the third vent in the middle pool.

Quickly get to shore before the water in the pool on the left heats up.

More enemies appear, including minions of Sobek...

...and more skeletons of various types. Some will drop health packs or ammo when you destroy them.

After the fighting, wade into the middle pool and light the third vent.

Doing so raises a walkway in the middle pool and heats the water there, so climb out a.s.a.p. Now you face a new type of enemy: priests of Sobek. These guys can summon lightning, even indoors.

You'll see a white circle on the floor shortly before each lightning strike...

...so you can move out of the way.

Along with the priests, you'll need to fight more skeletons and scarabs. Deal with them first while avoiding the lightning strikes.

Then take on the priests. Shoot them until they fall down...

...and then destroy their bodies with remote bombs or grenades.

[Return to the Tomb of the Lamplighter Walkthrough]