Great Seal of Diplos

The rubble blockade is created by the catacomb collapse, directly causing separation, injury, and urgency. K9’s laser clears a path through it, physically and narratively reuniting the groups while reinforcing the cave’s deadly nature.

Rubble from the cave-in seals Sholakh inside and separates the living from Romana and K9. The unstable piles shift constantly during the scene, forcing movement and adaptation as K9 lasers a path through the densest portions to allow Romana’s escape.

The cave-in rubble blockade seals Sholakh’s fate, traps Garron and Unstoffe, and isolates the Graff with the two warm bodies. K9’s laser mitigates the rubble to advance Romana and K9’s progress.

The unstable rockfall blocks direct passage on both sides, physically separating Romana and K9 from Garron and Unstoffe. Its shifting mass underscores the shared peril and creates the pressure under which Garron's deception arises. K9’s subsequent laser clearance of the rocks transforms this barrier into a route to escape.

The unstable rockfall blocks all movement between the two trapped groups, trapping Garron and Unstoffe while preventing Romana and K9 from reaching them quickly. The rubble becomes both barrier and catalyst for rescue attempts as K9 clears a passage with focused laser fire.

The Great Seal of the Convict Ship Cell, embedded in the cell door, is pried open by the Doctor using a tool, releasing two volatile spark entities. The breaking of the seal violates ancient protocol, immediately triggering the Megara's wrath and establishing the travelers' legal condemnation.

The Great Seal of the Convict Ship Cell is a bronze disc bearing the insignia of the penal colony, embedded in the iron door of the most secure cell. The Doctor pries it open using hand tools despite Romana’s observation of its unusual coloring and script. This act breaches ancient law and triggers the immediate juridical response from the Megara, who perceive seal removal as a capital offense. The seal’s fragility beneath its sacred patina contrasts with the Megara’s rigid enforcement of the law it represents.

The Great Seal of Diplos is referenced as the central artifact underpinning the charges against Vivien Fay, its powers of transmutation and hyperspatial coordination invoked by the Megara to justify their tribunal. The Doctor weaponizes the Seal’s existence to expose logical inconsistencies—the ship’s presence in hyperspace and the absence of officers—undermining the Megara’s entire legal framework and Vivien’s false identity.

The Great Seal of Diplos serves as irrefutable evidence of Vivien's crimes when accessed through her memory cells. Its theft forms a central charge in the Megara's legal proceedings, linking her current guise to ancient violations.

The Doctor leverages the Great Seal of Diplos indirectly by requesting memory cell access, but the Seal's latent authority is exposed through the Megara's recognition of Vivien's theft of it. The Seal becomes the legal fulcrum lifting the veil on her identity, fueling the Megara's revocation of their prior false justice.