Thawn's authoritarian control over the refinery crew and his willingness to commit genocide against the Swampies to maintain operational continuity and his own power

Thawn seizes control of the refinery’s orbital weapon system to eliminate Kroll and the Swampy settlement it has attacked, framing the strike as practical efficiency while dismissing moral and environmental …

Romana joins the Doctor in the control center as the refinery’s automated systems eerily continue their operations despite the death of Kroll. Fenner reveals the computer’s countdown remains active, unaware …