Things weren't supposed to go this way, damn prophecy!
It all started about half an hour ago. The soul transformation surgery ultimately succeeded, although it consumed all of Amberser's Dice of Destiny, but Garey Woz's soul finally reached what he considered a "divine" realm.
A soul that had completely lost its human form, a monster woven from millions of filamentous tentacles.
Feeling quite pleased with himself, Garey Woz brought Amberser to the core of the ritual magic array, and then, to the shocked eyes of Flint and Diper, he melded directly into his own body.
When the tentacle monster entered a human body, the result was that the body began to mutate too.
What had been a body entwined in black threads and hunched over in agony, now peeled away flesh and bone, its body mutating towards the tentacle monster's likeness, eventually becoming a twisted being connected by tentacles and black threads, with a sole eye at the center.
"What have you done?!"