Black has only one piece : the Emperor, a powerful royal piece.
White has a classical chess set but with a few differences :
White pawns have no promotion when reaching last row

The Emperor moves like Queen + Knight + Musketeer Chess Hawk :

The Citadel moves like Rook + Musketeer Chess Hawk :

The Unicorn moves like in Musketeer Chess :

For main rules, please see Orthodox Chess rules.