Just the ones I can think of real quick:
Oh, and a suggestion first. Instead of listing places to do it in campaign, list those same places but in echo form. This way they don't have to watch all the cutscenes, and run through places to get where they're trying to go (if possible).
Slam Dunk - Slide / kick an enemy, then use your thumper on that same enemy.
Juggler - Can be done pretty much anywhere. Thump a guy, then get right below him and shoot him until he's dead. Make sure you shoot him at least twice before killing him. You can also shoot him twice and then on the third shot get vertigo or voodoo doll.
Putting the WAR in Worhammer since 1999.
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