2 items: Adds 1-129 Weapon Damage
3 items: Adds 12-1096 Maximum Stamina
4 items: Adds 9-833 Weapon Critical
5 items: When you deal damage, your Physical Penetration is increased by 10-860 for 3 seconds, stacking up to 5 times.
The set consists of medium armor and jewelry in all slots, as well as weapons and shields of all types.