A naval officer from the Island Nations Federation Fleet, Nelis and her compatriot Yahr met Prince Freyjadour Falena on a mission to find a mission Rune Cannon. Grateful for his assistance, she joined his Loyalist Army until the end of the Falenan Civil War.

A powerful mage, Nelis' skill with a Rage Rune proved to be very useful for the Prince's war efforts, and she expects the Duelling League to be no different.