A female conjurer long ago sealed a contract with Khan, selling her soul for eternal youth, knowledge, and power. In return, the conjurer must kill Mitchell in perpetuity, a deed she has successfully performed for several hundred years.

Both JT and Amy welcome old friends to Shanghai and are reminded of their lives before Flatland. JT's friend lures him into a tomb-raiding scheme, unknowingly awakening an invincible ancient warrior with ties to Khan.