cRPG is a modification for Mount & Blade II: Bannerlord. It adds persistent multiplayer character stats, hundreds of unique items, an online campaign, clans, duel ladder, a co-op game mode and a few more things.
The Legion attacks The Holy Chadzian Empire Castle of New Asugan. Over four thousannd soldiers are involved in the battle. (2000 Legion attacking 2500 HCE)