Poleis? It sounds like a neat way to spell "pulleys".
IGG has released new information about their faction system in GodsWar.
Players of different poleis will belong to different factions. Players have to choose one of the two factions when creating the characters and join the faction battle (taking the city, PK). What's more, you will benefit a lot after joining a faction, regardless of which faction you are in, the goal of faction is the same: