Object
Taranium Core Replica (Counterfeit)
Physical counterfeit mineral fabricated by the Doctor and Sara based on the Taranium Core Fabrication Notes. Deployed in the climax of The Daleks' Master Plan to deceive Mavic Chen and the Daleks, triggering the Hyksos ambush. Spans two episodes (S03E15–19) and 11 events.
11 appearances
Purpose
Deceive Mavic Chen and Daleks by substituting for the genuine Taranium Core during hostage exchange and pursuit evasion.
Significance
Drives the Doctor's outmaneuvering of Chen and Red Dalek, frees companions, reveals betrayal to antagonists, and unleashes Hyksos ambush chaos that traps Daleks under rubble, crippling their Time Destructor timeline.
Appearances in the Narrative
When this object appears and how it's used