Nephilim

Abrahamic Mythology

Nephilim are mentioned in Genesis and Numbers. The word is frequently translated as giants, but sometimes it is left untranslated. Some biblical scholars think they are half-fiends.

Magic: The Gathering

Nephilim are four-colored creatures from Ravnica.

Warhammer 40k

The Nephilim are a race of minor Xenos. They parasitically psychically fed on faith, tricking planets into worshipping them in return for paradise in the hereafter whilst draining entire worlds of their life force.