Limit Hunting Times
This would
1. Encourage players to login and manage their resources at least once a months
2. Allow active players to build up their prestige
3. Encourage active players to become more active as there are more armies to attack
Also periodically removing inactive player would be beneficial as it would
(Say after 6 months of not logging in)
a. Decluter the worlds
b. Knowing the people who appear are active users
c. Makes farming more a challenge because you will be farming active users