Spike, now not so young and not so victorious, is dying. It is clear to see. He has been for the longest time. An Immortal Mane 6 always take care of him in his chambers, as his health and memory deteriorate.

A very successful reign of peace indeed, Twilight did herself good. Three thousand years of Equestria and every other nation in peace. Then, she left. Abdicated. Made Equestria a republic. It all fell, and, Twilight wasn't there to help. Not at all.