[ It's almost cute how concerned Aventurine sounds about the possibility of such a creature existing, as if nature isn't more horrifying even without the meddling of the Aeons. ]
Not that I am aware of, but there are certainly types of parasites that can morph a humanoid into other forms, a typically excruciating process for the host.
For instance, there is a species of parasitic ant that invades humanoids and transforms their outer appearance into that of a tree. They are still capable of walking, talking and consuming sustenance, but their nervous system is hijacked by the queen ant and special worker ants who control the host body with her.
@rubber ducky
Not that I am aware of, but there are certainly types of parasites that can morph a humanoid into other forms, a typically excruciating process for the host.
For instance, there is a species of parasitic ant that invades humanoids and transforms their outer appearance into that of a tree. They are still capable of walking, talking and consuming sustenance, but their nervous system is hijacked by the queen ant and special worker ants who control the host body with her.