How to kill dinguses

I just realized when I keep killing trolls with ogre firepower, more and more keep popping up.  This is like some kind of bad homebrew game that cheats on you.

Now I know the source: dingus wizards have the power to respawn!  No I'm not asking for advice from trolls and their dingus commanders, I'm just telling you I'll find a way, and you won't like it when I do... >:

GO FUCK YOURSELF IDIOT! CAN YOU DIG THAT, FOOL