The Doctor's defiant resistance against Lord Aukon's mental enslavement and the Great One's cosmic ensnarement to protect Romana and his own Time Lord autonomy.

Aukon reveals his true identity as O'Connor and exposes his grotesque immortality, empowered by servitude to the Great One. He wields Adric's capture as leverage, threatening to sacrifice the Doctor …

Aukon offers the Doctor and Romana a grotesque bargain: join the Great One's inner circle and gain eternal power, or become sacrifices to awaken the ancient evil. The Doctor refuses, …