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"That's because they are only partially undead," Blank explained calmly. "They're something else entirely—creatures born directly from the darkest and most twisted human emotions. They aren't spirits, ghosts, or traditional undead. Instead, they seize a physical body as a vessel and permanently bond with it, using it as a foundation to grow and evolve at an exponential rate. Under normal circumstances, such a process would take them eons… but this one has somehow accelerated dramatically."
"What do you mean?" Granny Yaga asked, her voice laced with concern as she clung to his shoulder.
"Hollow Evolution is normally an incredibly slow and tedious process," Blank continued, his tone growing more serious. "They must devour vast amounts of energy to accelerate their growth—souls, other Hollows, ambient mana, and more. Consuming souls, in particular, allows them to grow the fastest. They can also endlessly cannibalize other Hollows to fuel themselves."
