Phalanx is a large, unaggressive colossi resembling a worm/dragonfly found in the Desert of the Dead. He can tunnel under the sand and flies with inflated sacks under his body. Phalanx is a fast moving colossus who appears to put no effort into his speed and is considered to be the largest of the colossi. Four ridged stone like wings used to fly are located near his head and rear. He is the thirteenth colossus encountered and three sigils are located along his back.