Board Thread:Whoniverse Discussion/@comment-20801481-20150908175952/@comment-15395126-20150917001822

SPOILER

Then again, the series seems to involve lots of Norse characters, such as Odin. And in the episodes she first appears in, Ashildr declares war against a powerful enemy. It could be that this is the reason her name means "battle god." It may not be as significant as we think it is… END SPOILER