Robson, the refinery supervisor, descends into paranoia and denial as he fails to acknowledge and address the growing threat of the sentient seaweed, ultimately losing his authority.

In the Impeller Room, the Chief and Van Lutyens investigate a rhythmic, heartbeat-like sound emanating from the stalled impeller, which Van Lutyens interprets as evidence of a mechanical obstruction. Their …

Mister Oak locks Robson in his cabin and triggers the emergency vent system, flooding the space with suffocating foam and invasive seaweed tendrils. Robson, already paranoid and unraveling, initially mistakes …

In the Control Hall, Harris seizes operational authority during the refinery’s escalating crisis, issuing direct orders to Price to secure the facility and locate Robson—now suspected of incapacitation. His measured …