Doctor uncovers transmat maintenance failure

The Doctor arrives at the obelisk with companions searching for a transmat capsule’s flaw, suspecting earlier mismanagement could destabilize the system. His examination underlines the grave risks of Turlough’s reckless time meddling, revealing critical maintenance oversights that threaten imminent collapse. This moment becomes pivotal as technical peril amplifies the moral stakes of Turlough’s pact with the Black Guardian, forcing the Doctor to confront the Guardian’s gambit directly and raising the question of who controls the transmat’s destructive potential. key_dialogue: [ DOCTOR: It's a pity those things don't have a wider range. Still, at least we're here in one piece. Transmat capsules can do very nasty things to organic structures if they're not properly maintained. ]