Backpack hold ores found during Mines of Dalarnia runs, improving it increases the number of available slots and the quantity of carriable ores. When starting, it's not a primary upgrade to pursue, but leaving Backpack level too low could force you make difficult decisions (i.e. which ores to keep) wasting time during runs.
Store more of each item per pocket. As you know, deeper pockets means more loot to carry!
Equipped at start
Advancements made in backpack wear allows you to carry more types of resources with an extra pocket!
Deepened your pockets to fit more loot in. Store more of each item per pocket.
Attached an additional pocket to carry more types of materials!
Stuff your pockets further and carry more, often!
It's like wearing cargo shorts on your back! Added an additional pocket to carry more resources.
Worried about not being able to collect every resource you come across? Well, worry no longer! Store more per pocket.
Even deeper pockets? Yes. Does it make sense? No. Is it really necessary? You know it. Store more of each item per pocket.
Store more of each item per pocket. How do we make such deep pockets? Can't tell you. Confidential information.
Store more of each item per pocket. Now you have the largest pockets this side of Dalarnia. Carry on, miner, both literally and figuratively.
Backpack is at the current Maximum