Nukkye apparently said he wouldn't play if a "certain member" was part of the roster. Is this keloqz or koldamenta? And why is G2 dropping keloqz, isn't he their star player?

What does "slay" exactly mean in this context? English is my second language and i'm not really sure about the meaning. I know that the verb "to slay" means "to kill" but it's used as a noun. Is it a meme? Sorry if the question is dumb. Ed...