Netflix's provided a description for : "Season 1 follows Ava coming to terms with her new status as a member of the Order of the Cruciform Sword, a group of devout women dedicated to fighting an ancient evil.

Source: https://comicbook.com/tv-shows/news/warrior-nun-cancelled-netflix-apple-tv-save-series/

The very last scene showed Beatrice leaving the Order of the Cruciform Sword, but as she exited the church, the sword glowed mysteriously.

Source: https://www.cbr.com/cliffhanger-endings-canceled-shows/