Defend the fort from enemies. If there are 2 or more players, you can be as an offense. if there are 2 or less players, There is a option mode you can test how many attacks you can withstand.
Introduction
Depending on the strategy, it may be better to change the location of the guards.
But it doesn't move easily during battle.
By building a castle, you may be able to buy time and control invasion routes. Guards may want shields too.