Are these sentences worded in the best way?

FYI- Aznar is the zulkir. Once Tsagoth eventually located Mari’s hidden prison cell, he transformed her into a blood fiend-like creature and persuaded her to kill Aznar. The next time that Aznar tried to abuse Mari, she revealed her new identity and turned into a savage entity without conscience. Mari managed to slay Aznar, and she then engaged a group of the dead zulkir’s men-at-arms and Red Wizards. Mari slaughtered many of the warriors and mages before she was finally destroyed by one of the wizards.