This is quite interesting, a cool “defection” mechanic. Reminds me a bit of Alea Jacta Est civil war scenarios. So basically, killing Quintilius is not enough to put an end to the civil war as some armies may keep fighting under another usurper (or join another preexisting faction I guess). I have one question: assuming we are able to play as Quintilius is there anything we could have done to save the game after the battle, either to wait for reinforcements and hope we don’t get betrayed in the meanwhile or just keep playing as “Quintilius’ heir” and avenge his death.
Having lots of fun with Hannibal right now and I hope I’ll be able to do the same with this new game pretty soon.
The news of an emperor's death progresses in stages in the game. It happened in Italy, so the theaters nearby get the news immediately and make their decision. And yes, they could decide to acclaim a new emperor and follow him. In this particular instance that won't usually happen (Because Aurelian's position is strong and what is left has to side with him, the Gallic Empire, or Zenobia).
You ask a reasonable question. Probably I won't make Quintillus a playable faction - although it's not as hopeless for him as it is for Didius Julianus, for example. For the short scenarios, if "your" emperor gets killed that is usually going to be the end for the player. There may be an exception or two.
In the "Aurelian" scenario, you will have the option of playing Aurelian, the Gallic Empire, or Zenobia and Palmyra. So there will be some choices there.
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