Despite the seals Plushy made to the body. There was a strange aura deep in the body, however, the feeling wasn't welcome to plushy, to anyone that near the body could feel evil auras coming from inside the body, not plushy himself. Ever since Rei and Kurei left the body, the strange aura began to awoken slowly to the absent of owners, and to the recent events and the disturbances.
The feeling wasn't noticable until after shinji yelled 'Make me bleed'. The seals that plushies made on the body began to break slowly.