Gemcutting
Path of Exile 2

While active, uses fragments of armour scavenged from enemies to bolster your own. Fully Breaking an enemy's Armour grants you stacks of Scavenged Plating for a duration based on the enemy's rarity, and you gain Armour and Thorns per stack. Normal enemies grant 1 stack, Magic enemies grant 2 stacks, Rare enemies grant 5 stacks and Unique enemies grant 10 stacks.