Neigh, from the previous Council. The three pony tribes had only recently united then; 'twould never have done to have a single ruler from one, and alicorns were but a myth in that day.

Discord is...I suppose 'tis accurate to call him a spirit of chaos. Ruling a kingdom was not truly what he desired; he simply wanted the land and ponies to serve as his playthings. Even now he is not gone, simply frozen in stone.

[Except now Celestia says she's let him out. Luna just really likes to pretend that maybe when she gets back she can stop that from happening.]