Whenever you roll a 19 or 20 on an attack roll you may add 1d4 to the damage roll, the extra die deals Piercing damage and is determined magical or non magical based on whether or not the weapon used for the attack is.
Whenever you roll a 19 or 20 on an attack roll you may add 1d4 to the damage roll, the extra die deals Piercing damage and is determined magical or non magical based on whether or not the weapon used for the attack is.