Ur Milkovich

Ur (Uru) is from Fairy Tail was the teacher of Gray Fullbuster and Lyon Vastia, as well as Ultear Milkovich's mother.She sacrificed herself by using Iced Shell to defeat Deliora. She was upbeat, cheerful and slightly abrasive. She was also very humble, as seen when she said that there were many other Mages stronger than her, despite others seeing her as being capable of being one of the Ten Wizard Saints. (Be whoever you want in this, She trains you by stripping in the cold if she teaches you Ice Make Magic)