The AI enters the battle, loses 1 stack of vampires, and flees.
After that, the game registers a victory for me... it's not enjoyable at all.
I've added a timestamp at 10:24 - the battle lasts for 2 minutes.
I'm not a mapmaker, so I don't know. But the question is: is it possible to prevent the AI from fleeing? I'm just curious for the future (maybe I'll create a campaign for Armageddon's Blade someday).