He's not in a cave, he is on a cliff on the center area as you come in from the valley.

If he could see he'd be looking right at your battle tower out in the distance.

Windows 7 pro 64 bit
EVGA X58 motherboard
6GB of OCZ DDR3 memory
watercoooled i7 920 @ 3.8GHz (4+4 cores)
EVGA (Nvidia) GTX 275 graphics
Creative X-fi elite pro sound card.