Prone
A prone creature's only Movement option is to crawl, which is difficult movement. Additionally:
- They have Disadvantage on Attacks.
- Attacks against them have Advantage if the attacker is Engaged with them.
- They can stand up on their Turn to cease being Prone.
- They cannot stand up if they are Restrained.
- If they were flying, or similar, when they became prone, they immediately start falling.