A part of the Big Series Unbound series. What if the Valeyard won at the end of Trial of a Time Lord? Spoilers Ahoy. The TARDIS materialises on the planet Pakha, and the man once known as the Doctor -- and now as the Valeyard -- sends his companion Ellie Martin to collect the legendary Ancient Diadem, an object of great and terrible power. He is no longer the same man who once let that power slip through his fingers -- and if Ellie fails to collect the Diadem, he makes it very clear that he will abandon her here. As Ellie scales the cliff, using canisters of greganic acid to carve footholds and handholds in the rock, a Pakhar arrives to investigate the intrusion into the sacred cavern and is shocked to find two aliens trying to steal the Diadem. He is even more shocked to see that the alie