Abilities 30 of Swashbuckler

You can block a single attack that cannot normally be blocked, including attacks with the Pierce modifier or that call Pierce Damage, Disarm, Push, or Ruin. Deflect abilities can also be used to counter abilities with the Burst modifier if the attack originates in front of the player, or abilities with the Spray modifier or the Twin modifier so long as none of the packets or attacks hit the player.