Ignores X Damage Threshold of the weapons damage type.
Against 💎 Hardness — Cover Objects and 🦾 Power Armor — it instead reduces Hardness by half X, rounded down (minimum 0).
- Hardness is a threshold, not a subtraction: the attack must beat 2× Hardness to get through. Lowering it by 1 is therefore worth 2 damage, so Piercing is halved to keep a point worth roughly the same against either kind of armor.