Some tips for this game:
_ When you want to fight and catch any hero, remove all other treasures and only put the req treasure used to lure that hero, so that the adventures raid the dungeons will be as weak as possible.
_ Smelt low quality equips in Warehouse by clicking on Bleaching (on the top right of Warehouse screen) to get more soul steel to Trade. Use that to buy some good equips in Trade (rcm blue or higher quality equips lv >=4).
_ Buy Monster Eggs and any boss you dont have in Trade to unlock more units, you cant lvl up troops but you can get very strong troops by this.
_ In Boss camp, next to the name of each boss in the boss equipent panel, there is a red "X", you can click on it to fire that boss and get some refund the soul you used to lvl up that one.
_Use the Game Speed function wisely, you can change it in the bottom left of the camp screen or during a Dungeon raid. You should stop time when you are doing anything in the camp. Remember that your camp will be get raided every 50 days. Im not sure but it seems that the stronger enemies you get (by putting in better treasures) the higher chance to get good rare loots.