I am going to walk away from the internet now <<< i hope you know its your fault

Yes , exactly that. Can't wait to see the face of the first loyalist dog you encounter . It will be priceless.

"The Quagmire Crusade is the only known Chaos incursion where the population of ravaged sectors grew exponentially as a result of the conflict."

There might also be interesting ways to incorporate the Masochism gift that Slaanesh gives - a character's focus might increase as they take damage and so it takes more to interrupt their actions or their aim gets thrown off less when they're hit

Whatever. It is the only chaos God I really like, until it does come in a meaningful way I will stick to Orkz - Cheers.

I'd say combat drugs, enhanced/dulled senses, finesse weapons, Flawless Host, sonic weaponry, torturer's weapons, more combat drugs, 1337 dance moves, slaves, e

Emperor's children sounds like an interesting choice, with some noise marines.

Sonic weapons could have really interesting uses - they might have low damage at a distance but high suppression with a large suppression area

Cover negation would be nifty.