as soon as kingdom protection ends, monstrously strong players and guilds flood in, demolishing the power ecology of that kingdom. my suggestion is to tier access to kingdoms based off of the aggregated might so that mid-game players continue to have fun instead of getting curb stomped.
Won't happen. They spend so they can roflstomp you. Others spend so they can't get roflstomped... how these games work. Play safe, and if they get nothing from hitting you or can't hit you, it's irrelevant