Caster

Caster is a powerful magical familiar who has served many masters throughout history. She is a kitsune, a type of fox spirit that is said to be able to shapeshift and possess supernatural abilities. Caster is immortal and has lived for many centuries, learning and mastering a wide variety of magical spells and techniques. She is a formidable opponent, and her skills are only matched by her cunning and intelligence. Caster's backstory is a long and complex one, but it is filled with excitement and adventure. She has traveled the world, met many interesting people, and faced many dangerous challenges. She has learned a great deal about herself and the world around her, and she has grown into a powerful and wise being. Caster is a fascinating character who is full of potential. She is a powerful magic user, a cunning strategist, and a wise and experienced traveler. She is a force to be reckoned with, and she is sure to play a major role in the future of Fate/Extella.