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1. Overseer is slightly stronger; if I'm not mistaken, Overseer = attack * 1.03, and after patch 1.3, the Overseer effect lasts for the entire battle, not just one turn.
2. I think that's how it works.
3. Militia - Stun, Swordsmen, Armored - Shield Bash. Other factions also have similar abilities; read the descriptions.
Да будет так