Here is my suggestion
when a faction wins, show some ending art
Ideas:
Blue Dragon: Everyone is sitting around the table laughing, drinking and having a good time, the Priest is blessing the drink or something and the Knight is hanging up his sword and making his way toward the party
Unseen: Castle Adiart is seen from the exterior surrounded by black rose flowers and flying the banner of the Unseen, the Mastermind and Assassin are walking away from the entrance, signifying that they are going off to conquer the next castle
Cult: Once again Castle Adiart is seen from the exterior, this time drenched in the shadow cast by a giant-sized Corax, Mithras(also giant) has a handful of helpless Blue Dragon members and is pulling them towards his open mouth, the Cult Leader is seen laughing evilly atop the castleās battlements
Neutrals:
Possessor: The Good King is seen, surrounded by the Possessorās glow, grinning maniacally and drinking wine surrounded by dead Blue Dragon classes
Reaper: The Reaper sits on a throne of skulls, his hood down revealing his spoopy head wearing a crown
Alchemist(Solo): The Alchemist is seen brewing a cauldron of Crimson Potion in her night room
Fool(Solo): Rain falls over a gravestone that simply states ārest in peaceā, we see a happy fool in the background, transparent because heās a ghost
Mercenary(Solo): A shadowy figure hands the Mercenary a large sack of coins
Scorned(Solo): A rough sketch of one of the BD classes is shown painted over with a big red X, the X should be blood for extra effect
Neutral King(Solo): The King is seen on his throne with his head in his hands as several classes are shown dead
Over each art it would say ā[Faction/s] Winā, perhaps in a different font for each faction