Fixing The Problems

Celestia is a Time Lady from Gallifrey who is the best friend of The Doctor. She met him when they joined Time Lord Academy. They immediately got along and became best friends. She is also coming from a family of, what some people might call, "witches." She travels alongside The Doctor and his companions, using her powers when necessary. But will there be consequences for her actions? What will happen to her friendship with The Doctor which is already a bit unstable? Read more to find out!
The Doctor is in his eighth regeneration and Celestia is in her seventh.

Disclaimer
I only own Celestia and her storyline. I don't own Doctor Who, Marvel Studios or any of their characters. Ownership goes to BBC, Marvel Studios and Big Finish Studios.