1. Explore for Supply Point: Explore the second room in Special Operation to find 5 Supply Points hidden in the room.

2. Supply Points: Occupy Supply Points to obtain promotion materials stored in them over time, but please note that the other commanders also covet the Supply Points and would spare no effort to seize them. Therefore, you may need to contend with them for the possession of Supply Points.

3. Upgrade Defense: Every time the occupant of Supply Points changes, Defense Buildings in the Supply Points will be upgraded or increased automatically.

4. Change Formation: When you occupy the Supply Points, you can change the layout of the Buildings in them to defend against attack from other commanders.

5. Change Opponent: After the Supply Points are occupied by a new occupant, you need to wait for some time before using “Change Opponent”.

6. Officer Warehouse: It's a special Supply Point. Occupy it to get specific Officer's Coffer which contains Officer Fragments.