First Hero, is the latest strategy MMO developed by Webzen. In the game along with equipping, collecting and upgrading heroes you will need to keep upgrading your castle and other buildings, training units, etc. to keep your city working at maximum capacity.
The Game is set across a huge map, which is sub-divided into various domains. In First Hero Game, your main goal is to conquer these domains and extend your empire as far as possible. Which in simple words means that you have to keep defeating other human players, but on the positive side the game also gives you an option to become allies with them.