User blog comment:Sasha Dawg/That's Strange... Is This a Glitch?/@comment-213.233.88.41-20120730080645

I think though (but I'm not sure) that in the artificial corruption, only corruption monsters will spawn. This can be helpful, since corruption monsters are much easier than hell monsters, at least until hard mode.

Again, I'm not sure, but if you find out, please let us know :3