Hardness BOII
Unlocked at

2 challenges in Odysseus

For a similarly named perk, see Hardened (perk).
For similar perks, see Toughness and Focus (perk).
For a similar Weapon Proficiency, see Focus (weapon proficiency).

Hardness is a Campaign perk used in Call of Duty: Black Ops II campaign. It reduces the level of the player's flinch when he/she takes a shot from enemy weapons.