Battlecrest Expansion Collection #1 (Solo Imperator, Whispyr Hero, Forge Hero)Battlecrest: Expansion Collection #1 (includes Solo Imperator, Whispyr Hero Set and Forge Hero Set packed in a wallet) The Solo Imperator adds solo play. New heroes add variety to your games; you can play them in solo, in 2 player games and even play 3 4 player team games. The Solo Imperator enables gameplay for one player to play as any hero against any other hero using these 6 solo Command cards and that heros AI rules insert. Whispyr made an oath