Talk:My Little Pony Equestria Girls: Rainbow Rocks/@comment-4696205-20140930113934/@comment-26973802-20140930170707

They probably would have had them fully transform into the siren forms and be destroyed if there wasn't so much denial over the deaths of Chrysalis and Sombra. (which was the reason Katie Cook brought Chrysalis back in the comics) Closest they'll come to killing a major villain again (aside from one like the Plunderseeds) is blasting them to hell like Tirek, and even that gives most the impression of teleportation rather than tarnation

I bet they return in Equestria Academy either as something of a Diamond Tiara type antagonist, or seeking redemption (of course if Sunset Shimmer and Discord are any indication it'll take a while for everyone to forgive them)