Apep

Apep is a snake god and level boss in Lara Croft and the Temple of Osiris. Lara and her companions have to defeat the snake by using the Staff of Osiris on the Marks of Set within its body.

In ancient Egyptian mythology Apep (or better known by the Greek name Apophis) was the rival god sun god Re often depicted as a snake or serpent. He symbolizes darkness and chaos.