The darkwood brute drops Spiritbinder Padded Sleeves, which you pick up.
Unique Object
[16:20:12] - Constitution: 3 pts
[16:20:12] - Piety: 1 pts
[16:20:12] - Suppression: 2 pts
[16:20:12] Armor Modifiers:
[16:20:12] - 17 Base Factor
[16:20:12] - 0% Absorption
[16:20:12] - 95% Quality / 100% Condition