Board Thread:Episode Discussion/@comment-34633327-20180112214926/@comment-26397825-20180115134444

The previous Maiden was described as very young and disappeared over a decade ago. She was also living in Anima at the time and receiving training for her powers, but fled the responsibility.

None of that fits Summer, who was living in Patch with Tai and the girls, was brave and firmly on the side of Ozpin, and would t have run away from the responsibility.