Resolving the Atris Situation With the Dark Side

With the Handmaiden going back to the Polar Academy on Telos, she finds out that her sisters plan to kill her. She defeats them and is confronted by Atris and a lightsaber duel breaks out. Atris then decides to destroy her with the dark side and then is confronted by the Exile.
A lightsaber duel breaks out and eventually the Exile destroys Atris and the Handmaiden reveals that her real name is Brianna.