Ylgr

"I am Gunnthrá, eldest princess of Nifl, the Kingdom of Ice."

- Gunnthrá introducing herself to the Summoner

Ylgr is a Book II character from Fire Emblem Heroes. She is the youngest princess of the Ice Kingdom Nifl and the younger sister of Princesses Gunnthrá and Fjorm as well as Prince Hrid.

Profile
With Nifl ravaged by war, Ylgr was captured and held prisoner by Helbindi. She is initially worried about her siblings, but after listening to him talk about his life in Múspell she surmises that he must be a good person despite appearances, and that he has a younger sister. After being rescued by Alfonse and the Order of Heroes she insists on joining the group.

Etymology
Ylgr is an Old Norse word meaning "she-wolf".