User blog comment:Ka$aJ1zo/New ways to deal with trolls/@comment-29914576-20180407121008

Firstly, this is not in Wikia’s system so it would require a lot of coding which is a lot of work (unless someone is willing to do it). It may even be impossible to do that.

If you didn’t know it is possible to check history of comments.

Just report it normally, the admins will help ASAP.