Issue on GAC - character seemed died but no!

I was attacking Rey - Ben Solo - Bariss with their new dc, with my Leia, R2d2 and Drogan. Tough matchup, after 2 minutes, I was able to kill barriss and Ben Solo while Rey stayed alive and alone. She had very few life but I wasnt able to kill her because Ben solo kept reviving but as you see on the screenshots, I wasnt able to kill him, It wasnt possible to be hit. Therefore rey kept hitting till she beat me. Thats an obvious glitch. Check the screenshots. Also same body position i had found in the past with nightsisters.