System Reference Document 5.2.1
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Unconscious [Condition]
While you have the Unconscious condition, you ex -
perience the following effects.
 Inert.  You have the Incapacitated and Prone 
conditions, and you drop whatever you’re holding. 
When this condition ends, you remain Prone.
 Speed 0. Your Speed is 0 and can’t increase.
 Attacks Affected.  Attack rolls against you have 
Advantage.
 Saving Throws Affected. You automatically fail 
Strength and Dexterity saving throws.
 Automatic Critical Hits. Any attack roll that hits 
you is a Critical Hit if the attacker is within 5 feet of 
you.
 Unaware.  You’re unaware of your surroundings.
Unoccupied Space
A space is unoccupied if no creatures are in it and it 
isn’t completely filled by objects.
Utilize [Action]
You normally interact with an object while doing 
something else, such as when you draw a sword as 
part of the Attack action. When an object requires 
an action for its use, you take the Utilize action.
Vulnerability
If you have Vulnerability to a damage type, damage 
of that type is doubled against you. Vulnerability is 
applied only once to an instance of damage. See also  
“Playing the Game” (“Damage and Healing”).
Weapon
A weapon is an object that is in the Simple or 
Martial weapon category. See also  “Equipment” 
(“Weapons”).
Weapon Attack
A weapon attack is an attack roll made with a 
weapon. See also “Weapon.”