Resurrected and hosted by Joshua Naismith, the degenerating Master attempts to clone all of humanity in his image to amplify a signal and reopen a rift to Gallifrey. After Lord President Rassilon interrupts his plan, the Master stops Rassilon from dragging the Doctor back to the Time War, and both vanish into a dimensional rift.
Long-standing mortal enemies with a history of ideological and physical clashes.
A fractured commander-operate relationship marked by betrayal and mutual obstruction.
Explore the full interactive character relationship map of Doctor Who: The End of Time