The world is sent into turmoil as a series of devastating upheavals causes widespread panic across the various kingdoms.
Erebus, a being older than Equestria itself, has reemerged on the world, intent on exacting revenge upon the ancient land's ruling princesses for reasons unknown.
The only thing standing between the old god of destruction and the decimation of a kingdom are six friends, two princesses, a griffon, and the power held within an ancient brass artifact of an age gone by...