"Alone in her Kingdom"?
He probably meant "no other alicorn"...
otherwise she been Princess of Nopony^^"

This artwork is so on point, I'm half-expecting a Hasbro C&D to kill it.

That third panel XD Twilight's like "Oh Sh*t I left the oven on"

Well... he's going to have to move now, if he wants to be last in peace!
XD