User blog comment:Leilei.unicorn/Persistent Vandal/@comment-4976501-20200210081325/@comment-24692230-20200210102606

They can also do more than just block them, so its always worth it to contact them, even if nothing comes out of it. You can also contact your WM Ursuul and/or Fandom staff and they'll be able to help deal with the vandals.