Transubstantiation

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Transubstantiation was the process by which a human was transformed into a rakshassa by the Mark of Azathoth. It was longed for by the followers of Azathoth. (PROSE: All-Consuming Fire)

K9 Mark II described the process of Pandora entering and taking over Romana II's body as Pandora's transubstantiation. (AUDIO: Warfare)