d dragons gain the following abilities: Damage Resistance: Fire  Fire Breath Weapon: 00-foot Cone, Dexterity Saving Throw, Fire Damage  00-foot Cone, Dexterity Saving Throw, Fire Damage Movement Increase: Swim 00ft, Amphibious (Can breathe air and water)  Swim 00ft, Amphibious (Can breathe air and water) Fly Speed: 00ft 