User blog comment:BMHKain/BMHKain's Planned Fights./@comment-26955214-20160906041113/@comment-25968390-20160906064242

Azrael is correct. However, I don't remember any Harry Potter characters capable of Literally killing Ghosts (The first hint had a response from yours truly for bad comedy.). So even Tom Riddle is wrong.

More hints to be added soon...