besides the built-in backpack, there are four slots that can equip four bags.The small white bag is just placed on the grid.If you have four of these small packs, you can directly add 40 backpack spa...at him in astonishment.Lu Kong nodded. "Well, that base is in an underground city ruin deep within the Decaying Swamp to the northeast. There are many buildings down there, and a lot of undead..."Lu K...