Steven Universe Theory: spoilers

[Lasty]

Steven Dies, Rose/Pink Diamond possibly comes back

[rpgamer]

It's still a kids' show. They're not going to kill off the titular character.

At best, they'll somehow separate. Not sure if I'd expect it, since so much lately has been about dealing with the mess she left behind. In a sense, they're all realizing how they sorta need to move on from her.