## a. Impeded Weapons When making a melee attack roll with a weapon underwater, a creature that lacks a Swim Speed has [[Disadvantage]] on the attack roll unless the weapon deals Piercing damage. A ranged attack roll with a weapon underwater automatically misses a target beyond the weapon's normal range, and the attack roll has Disadvantage against a target within normal range. ## b. Fire Resistance Anything underwater has Resistance to Fire damage.