Adventurer's Backpack combination method is explained in this Combination Scroll.

[Required materials]
Broken Crown 150 ea.
Zelunium 30 ea.

[Adventurer's Backpack(1)]
A small backpack with essential items for adventure.
Enables the use of Level 1 Greed.

Base STR at least 90:
Refine Level +7: ATK +20
Refine Level +9: ATK +10
Base INT at least 90:
Refine Level +7: MATK +30
Refine Level +9: MATK +20
Base VIT at least 90:
Refine Level +7: Reduces damage taken from Neutral elemental attack by 10%.
Refine Level +9: Reduces damage taken from Neutral elemental attack by 5%.
Base AGI at least 90:
Refine Level +7: Reduces after attack delay by 8%.
Refine Level +9: ASPD +1
Base DEX at least 90:
Refine Level +7: Increases ranged physical attack by 5%.
Refine Level +9: Increases ranged physical attack by 5%.
Base LUK at least 90:
Refine Level +7: Increases critical damage by 10%.
Refine Level +9: Increases critical damage by 5%.

[iRO Description]
Not Available