Shape Corrosion

Shape Corrosion is the process of a human turning into a Gastrea.

Description
When a living being is infected with the Gastrea Virus, and the erosion rate exceeds fifty percent, the host's body begins to turn into a Gastrea, no longer being able to keep their human shape and self control. When undergoing said phenomenon, the human, when in possession of an object, has the possibility of having noted artifact engraved inside their body.