Ice Tunnels of Spiridon Arsenal

A physical environment featuring ice tunnels and structural elements, not an acoustic phenomenon

1 appearances

Purpose

Provide concealed subterranean transit and tactical conduits for sabotage operations within the Dalek-occupied Spiridon Arsenal.

Significance

Transforms from an environmental hazard into a strategic weapon when the Doctor weaponizes the tunnels' structural fragility to trigger a localized collapse, burying Dalek forces in suspended animation. The ice becomes both prison and purgatory for the invaders, turning the rebels' greatest vulnerability into their decisive advantage.

Appearances in the Narrative

When this object appears and how it's used

1 moments

S10E20 · Planet of the Daleks Part 6

Codal repairs bomb under Dalek threat

The Ice Tunnels of Spiridon Arsenal are referenced conceptually by the Doctor as a hidden vulnerability. He envisions detonating the bomb to fracture ice walls and release geothermal pressure, flooding the Arsenal chamber and encasing the Daleks in suspended animation—a natural planetary prison.

Before: Frozen and dormant within the planet’s crust, a latent hazard no one previously considered weaponizing

After: Transformed into the lynchpin of a daring last-resort plan, now central to the rebels’ hope of escape and survival

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