…Digging leads me to the strangest areas.

"The Cannibal Hymn

Not strictly an offering to the gods, the Cannibal Hymn of Unas and Teti talk of cannibalism to gain power from the gods in ancient Egypt. The Pyramid Texts have a section that seems to hint that in Predynastic times, the ruler could gain the magical powers of the gods through human sacrifice. "

http://www.thekeep.org/~kunoichi/kunoichi/themestream/egypt_humansacrifice.html