Below is a table of all the quests that will give you more inventory space 15, [ Co-op] Black Spirit and the Giant Imp, Black Spirit, Black Spirit, Bag Currently the only other way to increase inventory space is by buying bag slots in the cash Locations are now correct and quest names link to the black desert database. Since the prices of the cash shop are ridiculous here is a complete list of all inventory expansion slots. With the 24 you start with and 31 more Inventory Expansion Quests Question. - General. These are quests that increase your inventory in Black Desert Online. +1 Expansion") which you have to use in order to get the extra slot.