Glowing ones or luminous necrotic post-humans are ghouls who have absorbed so much radiation that they literally glow with its excesses. They have become living conduits of radiation to the point that radiation not only heals their combat injuries, but can be forcibly released from their bodies. They are most often considered outsiders, even by other ghouls. Glowing ones also emit radiation involuntarily, so they can still be dangerous to normal humans after their death.

Glowing ones as they appear in Fallout 4 :