Before the final battle of the Siren War, the Pillars and Stygian take a moment to get ready, get what fun they can, and if possible, actually get along.
The bodies of ponies haven't improved much in the last thousand years. Change of that sort takes time. But what if it didn't have to? Is it best to keep things as they are? Or, given the means, should Twilight choose to accelerate their evolution?
Being sent as a gift to someone is usually interesting, unless its Discord. Then its weird and your stuck at a casino with every villian you have never heard of.
There are many things that the Pillars of Old Equestria, newly returned to the world, have never encountered before. New cities, new technologies, new magic... and a little blue flower that grows in the Everfree Forest.