Error was driven crazy by the antivoid he is trapped in madness and became the destroyer and met Ink. Ink would love more then anything to help the other skeleton it hurts his soul to see Error like this Sci comes up with an experimental paint that should rewrite him and his memories to be me friendly in hopes to heal his madness so Ink takes the experimental paint and hits error with it not expecting what it would do error falls through a portal that he opens after getting hit ink goes looking for error unaware of what the paint did to error he was now a wild animal.