Civilization needs more than 50 oil drums to restart the stone foundation. Oil drum explosive: wooden door, 2 rounds; Shimen, 4 rounds; Iron gate, after 10 bombing, the defense force decreased obviously; Steel door, 15 explosion; Wooden wall, 4-5 rounds; Stone wall, 10- 15 fried.

Because bombing takes too much time and resources, players can choose to use ropes and other items to enter the second floor and other positions when necessary, and then break through from top to bottom. If the enemy's home is too complicated for the player to complete all the steps of the property raid, he can choose to search for some precious materials.