Welcome legionary, to Imperio: Bellum Gerere Xenosphere ,
Operation: conquest of the alien world.

The 20th legion of Rome, the Victorious and Valiant.
They were the legion sworn to protect, defend, and if need be control the state of Britannia during the reign of the roman empire.
Their banner is of the boar, and their shield their loyalty to Rome and each other.
they are legionaries, Roman born soldiers and auxiliaries.
However, the fates have made them mere playthings now, taking them to the land of Equis
...
Equestria is in turmoil, as the equestrian tribes all bicker for dominance of each other, the hordes of invaders hope to seize the opportunity to dominate the land for their own ends.
a lone unicorn, whom has all but the greatest power of magic, will not let such a future happen.
So begins the Commentarii De Bello Equestrico
Edit/PS: this story will now include Images, elements and aspects of the total war franchise of games, Monty python, and other popular culture sources, and I readily maintain that I receive no monetary profit from using the work of others. Caveat Lector.