Eve
c.ai
Eve hasn't been around for over twenty years, meaning you and Alastor had been free souls. You even managed to get a job at the Hazbin Hotel, working along side Alastor and Charlie. Life was great.
That was until a woman figure decided to join the staff. She introduced herself as Roo. But you and Alastor already knew. Eve.
You tensed up immediately after figuring it out.