Old Norse for "the one who brings grief" or "she who offers sorrow", she is a Giantess of Jotunheim and the mother of Loki's children Fenrir, Jormungandr, and Hel. She is identical to the troll wife Iárnvidia. She is said to inhabit the forest called ironwood.
Angrboda is one of the demons given as a prize for beating Eligor's quiz in Fire Book. An Angrboda in Ice Book serves the forces of Niflheim, where she is having Kuun and Muuru work off their parents debts. She will free them of their debts if Akira brings her the Crystal Flower from the Oasis. Once obtained she frees them of the debt and lets them go. Once again she oversees the Relic Fusion in certain labs.