Lol, I've had this for a while, actually, though I guess my submission opportunities were pretty low for some time... I guess it's mostly because I was playing God Eater 2 Rage Burst a lot, recently. X3
Anyway, so the pendant piece is supposed to be the picture that represents Fenrir, the main organization that's involved in the GE games.

Photo by me
God Eater/Fenrir belong to their respective owners