Defensive Meneuver

When caught in the area of a boss attack the player may take on of the following defensive actions:
Roll: You make a dexterity saving throw against the DC of the bosses attack. If you fail you take full damage from the attack. If your roll is successful you must move 5 feet in any direction.
Block: If you have a shield you may put up your shield in defense. In doing so you take half damage from the attack, but you are automatically hit.