Quote Originally Posted by Gavinfoxx View Post
Well, The Avatars of Khaine and the Bloodthirsters of Khorne have a huuuuuuge rivalry... they really hate each others guts, big time... so much that the battles between the two are really really scripted in the RTS games, with lots of crazy animations!
I'm kind of less interested in the specifics of the Eldar bit. I think it's the weaker part of the explanation. At least, the Khorne/Khaine bit. The untapped psychic energy/birth of slaanesh bit makes perfect sense.