Pack Mule

Who has time to organize their stuff perfectly?
Carry three more items without being encumbered.
Increases the crafting speed of items from your inventory by 10%.
Your pack has a 5% chance to ignore physical damage when hit.

You know it's in there somewhere.
Carry an additional three more items without being encumbered.
Increases the crafting speed of items from your inventory by 20%.
Your pack has a 10% chance to ignore physical damage when hit.

You know exactly where everything is.
Carry four additional items without being encumbered.
Increases the crafting speed of items from your inventory by 30%.
Your pack has a 15% chance to ignore physical damage when hit.

You just passed inspection, private.
Carry four more items without being encumbered.
Increases the crafting speed of items from your inventory by 40%.
Your pack has a 20% chance to ignore physical damage when hit.

Now you're showing off! You're either part mule or strongman.
Carry four more items without being encumbered.
Increases the crafting speed of items from your inventory by 50%.
Your pack has a 25% chance to ignore physical damage when hit.