The first benefit of the Sentinel feat (PHB, p. 169-170) says:
- When you hit a creature with an opportunity attack, the creature’s speed becomes 0 for the rest of the turn.
Situation: A Bard stands behind a Fighter. The Fighter has the Sentinel feat.
The Fighter is battling an enemy in a five-foot-wide corridor.
The Bard casts Dissonant Whispers and the Enemy fails their saving throw.
The Fighter has not yet used a reaction, and executes an Opportunity Attack(OA) as the enemy leaves the adjacent square using the enemy's own movement.
The OA hits.
Does the enemy:
- stop running away?
- keep running away?
- run away or stop at the Fighter's option?
I think that the answer is (1), but are there rulings or errata, or Sage Advice that provides the Fighter the option to not stop the enemy on a hit with that OA?
1. Attribution for the three images: they are tokens of a D&D 5e NPC
noble, a drow fighter, and an efreet from the Roll20 compendium. I
think this is fair use. If not, please advise and I'll change the
2. I was somewhat surprised to not see a question on the interaction of this spell and this feat