phantomgirlwalking
Planets grow old. Timelines stretch and tangle. A TARDIS can lose her youth.
Even immortals age. Even Time Lords die.
The Twelfth Doctor and Captain Jack Harkness are perhaps two of the only beings in the universe who come anywhere close to grasping the immeasurable, terrifying vortex that is life. Who better to teach a young immortal, than these longtime companions? What better setting to do so than the backroads of America, and what worse danger to overcome with her than an underground sect obsessed with two of the doctor's worst enemies, the Cybermen and the Daleks?
Written for a lovely anon over on my tumblr. This is one of the most incredible prompts I've ever received. Unfortunately I think it's a bit too long to type out here, but the original prompt is over on my tumblr if you wanna check that out. This is an ongoing series.