Many saving throw effects deal half damage (round down) to a target when the target succeeds on the saving throw. The halved damage is equal to half the damage that would be dealt on a failed save. Damage Types Each instance of damage has a type, like Fire or Slashing. Damage types are listed in “Rules

knockinG out a crEaturE When you would reduce a creature to 0 Hit Points with a melee attack, you can instead reduce the creature to 1 Hit Point and give it the Unconscious condition. It then starts a Short Rest, at the end of which that condition ends on it. The condition ends early if the creature regains any Hit Points or if someone takes an action to administer first aid to it, making a successful DC 10 Wisdom (Medicine) check. Glossary” and have no rules of their own, but other rules, such as Resistance, rely on damage types.