The Engineer and the Time Lady - Nina

During the Time War, a Time Lady regenerates after an encounter with a Dalek. However, the regeneration goes wrong and finds that she needs therapy. Later, she finds that other Time Lords in the mental health facility are fleeing Gallifrey and the War.

fanfiction.net: https://www.fanfiction.net/s/14436084/2/The-Engineer-and-the-Time-Lady

Archive of Our Own: https://archiveofourown.org/works/65204233