Demonicorn is a rare variant of the normal ghouls found all over the wasteland, and appears in Fallout: Equestria – Fallen Angels. These former unicorns have preserved control about most their magic abilities, making them dangerous foes when faced on one's own. But since most of them have lost their minds in the process of ghoulification too, they pose a threat to both their prey and their allied ghouls in battle when enraged.

Like all ghouls their physical and magical abilities grow stronger whenever exposed to magical radiation and to not be attacked by a demonicorn from ambush one should always be sure a "dead" demonicorn is really dead. A common method is to cut off a fallen demonicorn's head or horn.

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