DragonPick
I don't play Runescape
Whenever Rolento's Knife hits a Fireball (seems to be any kind of fireball, not just Ryu's) the game just freezes. Completely. So in a way, you're both winners!
http://shoryuken.com/2012/05/16/street-fighter-x-tekken-version-1-04-has-a-game-breaking-bug/
Update