Fabula
Object
Object

Wirrn Harbinger Vessel

Metal attack vessel of the Wirrn species in transit to Nerva Beacon, equipped with missile tubes and automated targeting systems
1 appearances

Purpose

Offensive and defensive vessel capable of breaching controlled quarantine zones and deploying missile-based threats against stationary targets.

Significance

Marks a shift from internal Ark sabotages to an external alien peril, forcing the crew to confront an unknown enemy while their own systems and loyalties fray under Kellman’s betrayal.

Appearances in the Narrative

When this object appears and how it's used

1 moments
S12E18 · Revenge of the Cybermen Part 2
Alien ship breaches containment lock

The Wirrn Harbinger Vessel materializes as a gleaming predator, its alien design and weaponry immediately distinguishable on all available feeds. Its deliberate refusal to heed warnings transforms it from anomaly to active menace, its trajectory toward docking orbit signaling the abrupt failure of Nerva Beacon’s fragile defenses.

Before: Approaching within sensor range, initially a blip growing into a defined shape
After: Swerving directly into docking orbit despite repeated quarantine signals
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