Can You Multiattack on Attack of Opportunity 5e?
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No, you cannot Multiattack on an Attack of Opportunity in Dungeons & Dragons 5th Edition. An Attack of Opportunity is a single melee attack, not a full action. The Multiattack action specifically requires you to use your Action to perform it. An Attack of Opportunity uses your Reaction. These are distinct resources, preventing you from using Multiattack in this way.
Understanding Attacks of Opportunity
An Attack of Opportunity is a single melee attack that you can make when a hostile creature moves out of your reach. This is a crucial mechanic that controls movement and positioning on the battlefield. Several factors influence the usage and consequences of Attacks of Opportunity, influencing strategic combat decisions.
Triggering an Attack of Opportunity
An Attack of Opportunity is triggered when a hostile creature leaves your reach without taking the Disengage action. The creature must move out of your reach willingly. Certain effects, such as being pushed or teleported, do not provoke an Attack of Opportunity.
Restrictions and Limitations
You can only make one Attack of Opportunity per round. This is because you only have one Reaction, and making an Attack of Opportunity uses up that reaction until the start of your next turn. This limits how frequently you can react to enemy movement.
Special Abilities and Feats
Some classes and feats can modify how Attacks of Opportunity work. The Sentinel feat, for example, allows you to stop a creature’s movement with an Attack of Opportunity, and also grants you an Attack of Opportunity even if the creature takes the Disengage action.
Deciphering the Multiattack Action
The Multiattack action is a special action available to certain monsters and, occasionally, player characters (through specific class features or magic items). It allows the creature to make multiple attacks as part of a single action.
What Does Multiattack Entail?
The Multiattack action specifically states that it requires the use of the creature’s Action. The description typically details the types and number of attacks that can be made. For instance, a monster might have a Multiattack action that allows it to make two claw attacks and one bite attack.
Action vs. Reaction Economy
Understanding the difference between an Action and a Reaction is critical here. Actions are your primary resource during your turn, while Reactions are responses to triggers that occur outside of your turn. Since Multiattack requires an Action and Attacks of Opportunity require a Reaction, they cannot be combined.
Specific Examples and Class Features
While rare for player characters, some monsters have Multiattack actions that are essential to their combat effectiveness. Certain class features, like those of the Beast Master Ranger or the Battlerager Barbarian, might indirectly interact with attacks in ways that could seem like Multiattack, but they are distinct abilities.
Why You Can’t Multiattack on an Attack of Opportunity
The core reason Multiattack cannot be used for Attacks of Opportunity is the Action economy in 5e. Multiattack requires an Action, while Attacks of Opportunity use a Reaction. You cannot use an Action to perform a Reaction.
Action Economy Implications
Mixing Actions and Reactions would break the established balance of the game. Allowing Multiattack on an Attack of Opportunity would significantly increase the damage output of characters and monsters, potentially overwhelming the encounter balance.
Rule Clarifications and RAI (Rules as Intended)
The rules are very clear on the distinction between Actions and Reactions. While there might be edge cases or ambiguous situations, the intent of the rules is that Multiattack is an Action, and Attacks of Opportunity are Reactions.
Alternative Strategies
Instead of trying to Multiattack on an Attack of Opportunity, focus on strategies that maximize your opportunities for dealing damage within the rules. Using the Ready action to set up an attack based on a specific trigger, or taking advantage of feats that enhance your attacks are viable alternatives.
Frequently Asked Questions (FAQs)
1. Can I use Extra Attack (a Fighter ability) during an Attack of Opportunity?
No. The Extra Attack feature allows you to make multiple attacks when you take the Attack action on your turn. An Attack of Opportunity is a Reaction made outside your turn.
2. What if a monster’s Multiattack description says “can make X attacks”? Does that mean it can use them on an Attack of Opportunity?
No. The Multiattack action is a specific action that must be used on the creature’s turn, unless the creature possesses a different action-based ability, it can’t be used as part of an Attack of Opportunity.
3. Does the Sentinel feat change the rules about Multiattack and Attacks of Opportunity?
The Sentinel feat has powerful effects on Attacks of Opportunity, such as stopping movement or granting an Attack of Opportunity even when a creature Disengages. However, it does not allow you to use Multiattack with your Attack of Opportunity. It still triggers only a single melee attack.
4. If I have a magic item that lets me make an extra attack, can I use it on an Attack of Opportunity?
Some magic items might grant you an additional attack as part of the Attack action on your turn. These usually do not apply to Attacks of Opportunity, as they are tied to the Attack action.
5. Can a creature with the Haste spell use Multiattack on an Attack of Opportunity with the extra action?
No. The Haste spell grants an additional action that can be used only for attacking (one weapon attack only), Dash, Disengage, Hide, or Use an Object. It does not allow you to take the Multiattack action as it’s meant for basic combat options.
6. What if a monster’s stat block includes a “reaction” that’s a powerful attack? Is that Multiattack?
If a monster’s stat block describes a specific reaction ability that allows it to make an attack (or attacks), it’s not Multiattack. It’s a unique reaction tailored to that monster. Read the description carefully to understand its limitations.
7. Can a Rogue use Sneak Attack with an Attack of Opportunity?
Yes. As long as the conditions for Sneak Attack are met (advantage on the attack roll, or an ally within 5 feet of the target), a Rogue can apply Sneak Attack damage to an Attack of Opportunity.
8. If a creature provokes multiple Attacks of Opportunity from different characters, can they all make an attack?
Yes. Each character who is in range and hasn’t already used their Reaction can make an Attack of Opportunity against the creature.
9. What is the Disengage action and how does it prevent Attacks of Opportunity?
The Disengage action allows a creature to move without provoking Attacks of Opportunity for the rest of its turn. It essentially signals to nearby enemies that the creature is specifically trying to avoid combat.
10. Can I Ready an action to make a Multiattack?
No, you can’t Ready a Multiattack action because it is a specific Action stated in the Monster Manual or Stat Block. You are still limited to making a single weapon attack if you ready your attack.
11. If a monster has a reach of 10 feet, and a creature moves from 5 feet to 15 feet away, does it provoke an Attack of Opportunity?
Yes, the creature provokes an Attack of Opportunity. The Attack of Opportunity is triggered when a hostile creature leaves the reach of another hostile creature. It entered your reach and left.
12. How can I better position myself to make more Attacks of Opportunity?
Strategic positioning, such as standing in doorways or creating chokepoints, forces enemies to move through your reach, increasing the likelihood of provoking an Attack of Opportunity.
13. Are there any specific class features or subclasses that make Attacks of Opportunity more effective?
The Battle Master Fighter subclass has maneuvers like Riposte and Brace, which enhance their Attacks of Opportunity. The Sentinel feat, available to all classes, is another significant boost.
14. If I have advantage on my attack roll for an Attack of Opportunity, does that also grant Sneak Attack damage if I’m a Rogue?
Yes. If you are a Rogue, having advantage on the attack roll for your Attack of Opportunity satisfies one of the conditions for applying Sneak Attack damage, assuming the other conditions (ally adjacent to the target or other advantage source) are also met.
15. Can a Paladin use Divine Smite on an Attack of Opportunity?
Yes. A Paladin can use Divine Smite on an Attack of Opportunity. Divine Smite allows you to expend a spell slot to add radiant damage to a melee weapon attack when you hit. This can be done with any melee weapon attack, including Attacks of Opportunity.