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Quartermaster Backpack is the fourth tier of Backpack Progression in Windrose. It requires Cursed Swamps-tier material and adds 16 inventory slots.

Recipe

[object Object] drops from Plague Crocodiles in the Cursed Swamps biome, making this backpack tier a natural Cursed Swamps milestone. Unlike previous tiers, the Quartermaster recipe is simple (only two components), but both are gated by biome access.

When to Craft

Most players reach the Quartermaster Backpack when they first clear Plague Crocodile encounters in the Cursed Swamps. 5 hide pieces typically requires 3 to 5 Plague Crocodile kills depending on drop variance. The upgrade brings total inventory capacity to a level where mining runs and quest-item hauls no longer require mid-run inventory management.

See Also

• Backpack Progression — full chain

• Bosun Backpack — previous tier

• Traveler Backpack — next tier

• Crocodile Hide Piece — input

• Plague Crocodile — source enemy