Board Thread:General Discussion/@comment-29311756-20160726210044/@comment-38873660-20190525100221

Because, to quote Mettaton, Chara is not absolutely evil, and even if they tried to be, they messed up. If Chara WAS absolutely evil, they would have gone for the Genocide Route right away. Or, if Chara had the ability to reset, they only did Pacifist Runs.