Extra Attack and Opportunity Attacks in D&D 5e: A Deep Dive
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No, the Extra Attack feature in Dungeons and Dragons 5th Edition does not apply to opportunity attacks. Extra Attack only functions when you take the Attack action on your turn. An opportunity attack, triggered by a hostile creature moving out of your reach, uses your reaction to make a single melee attack. These are distinct mechanics, and Extra Attack simply doesn’t come into play.
Let’s break down why this is the case and explore other related scenarios.
Understanding the Core Mechanics
The key to understanding why Extra Attack doesn’t work with opportunity attacks lies in understanding the Attack action and the nature of reactions.
The Attack Action
The Attack action is a specific action you can take during your turn. The Extra Attack feature, obtained by many martial classes at 5th level, enhances this action by allowing you to make multiple attacks when you take it. For instance, a fighter with Extra Attack can make two attacks instead of one when using the Attack action. This number increases to three at 11th level and four at 20th level for fighters.
Opportunity Attacks and Reactions
Opportunity attacks are triggered when a hostile creature you can see moves out of your reach. This is a reactive action, meaning you use your reaction to make a single melee attack against the provoking creature. You only have one reaction per round, limiting you to a single opportunity attack, regardless of how many creatures provoke one.
Why They Don’t Mix
The Extra Attack feature specifically states it applies “whenever you take the Attack action on your turn.” Opportunity attacks are made using your reaction, and not during your turn. Therefore, the conditions for Extra Attack to trigger are not met.
Scenario Examples:
Let’s illustrate with a couple of scenarios:
Scenario 1: The Fighter
A 5th-level fighter with Extra Attack is engaged in melee combat. During their turn, they take the Attack action and make two attacks against an enemy. Then, a different enemy tries to run past them. The fighter can use their reaction to make an opportunity attack against the fleeing enemy, but it’s only a single attack. Extra Attack doesn’t come into play.
Scenario 2: The Rogue
A rogue, also engaged in melee, chooses to use their action to Hide. An enemy attempts to move away. The rogue can use their reaction to make an opportunity attack. If the rogue meets the conditions for Sneak Attack (advantage or an ally adjacent to the target), they can add Sneak Attack damage to this single opportunity attack. Extra Attack is irrelevant here.
The Sentinel Feat: An Exception
The Sentinel feat offers a notable exception. It grants you the following benefits:
- When you hit a creature with an opportunity attack, the creature’s speed becomes 0 for the rest of the turn.
- Creatures provoke opportunity attacks from you even if they take the Disengage action before leaving your reach.
- When a creature within 5 feet of you makes an attack against a target other than you (and that target doesn’t have this feat), you can use your reaction to make a melee attack against the attacking creature.
The Sentinel feat allows you to make an opportunity attack even when a creature Disengages or attacks another target. However, even with Sentinel, you still only make a single attack with your reaction. Extra Attack still doesn’t apply. Sentinel enhances when you can make an opportunity attack, not how many you can make.
Frequently Asked Questions (FAQs)
1. Can I use Extra Attack with other actions besides the Attack action?
No. The Extra Attack feature explicitly states that it only applies when you take the Attack action on your turn. Using other actions, such as casting a spell (even one that involves an attack roll), dashing, disengaging, or taking the Help action will not trigger Extra Attack.
2. Does Action Surge allow me to use Extra Attack twice in one turn?
Yes. Action Surge grants you an additional action on your turn. If you use both actions to take the Attack action, your Extra Attack feature will apply to each action. Therefore, if you have Extra Attack (2 attacks), using Action Surge to Attack again allows you to make a total of four attacks.
3. Can I move between attacks when using Extra Attack?
Yes. You can break up your movement between multiple attacks granted by the Extra Attack feature. This tactical flexibility allows you to position yourself strategically during combat. For example, you could move 15 feet, make one attack, move another 10 feet, and then make your second attack.
4. Does Two-Weapon Fighting interact with Extra Attack?
Yes and no. Two-Weapon Fighting allows you to make an additional attack with a light weapon held in your other hand as a bonus action. This is separate from the Extra Attack feature. Extra Attack applies to the attacks you make when taking the Attack action, while Two-Weapon Fighting adds a bonus action attack. You get the benefits of both.
5. Can I use Extra Attack with spells that involve attack rolls?
No. Casting a spell requires the Cast a Spell action, not the Attack action. Even if the spell involves making an attack roll, the Extra Attack feature does not trigger. You cannot combine spells with Extra Attack.
6. Does Extra Attack stack between different classes?
No. The Extra Attack feature does not stack if you multiclass into another class that grants it. If you gain Extra Attack from multiple classes, you only benefit from it once (typically from the first class that grants it).
7. Can I use Sneak Attack with an opportunity attack?
Yes! The rogue’s Sneak Attack feature states it can be used “once per turn.” Because opportunity attacks happen on other creature’s turns, you can absolutely use Sneak Attack with your reaction when making an opportunity attack. This is a powerful rogue tactic.
8. Can I choose different targets for my Extra Attacks?
Yes. When you use the Attack action and have Extra Attack, you are not obligated to attack the same target with all of your attacks. You can distribute your attacks among different enemies within your reach.
9. If I have a reach weapon, how does it affect opportunity attacks?
A reach weapon (like a glaive or halberd) extends the range at which you can make melee attacks, including opportunity attacks. You can make an opportunity attack against a creature that moves out of your reach with the weapon, even if they weren’t within 5 feet of you.
10. Do I need to see a creature to make an opportunity attack against it?
Yes. You can only make an opportunity attack against a creature that you can see. If a creature is invisible or heavily obscured, it does not provoke an opportunity attack.
11. Can I use spells on Opportunity attacks?
No. When a creature triggers an opportunity attack from you, you can use your reaction to make a melee attack against it. You can not use your reaction to cast a spell.
12. How many times can you use Opportunity attack?
You can use the Opportunity Attack only once, because you only have one reaction per turn.
13. Can I cast a cantrip with extra attack?
No. The only way to cast two cantrips on a turn is if one of them is a bonus action. The “Attack” action and the “Cast a Spell” action are mutually exclusive.
14. Does extra attack work with bows?
Yes, the Extra Attack feature works perfectly well with ranged weapons like bows.
15. Can you move between extra attacks?
Yes, if you take an action that includes more than one weapon attack, you can break up your movement even further by moving between those attacks.
Conclusion
While Extra Attack is a potent feature for martial characters, it’s crucial to understand its limitations. It enhances the Attack action but doesn’t extend to reactions like opportunity attacks. Keep these distinctions in mind to optimize your character’s combat effectiveness. Exploring rule nuances like these is what makes D&D such a rewarding and strategic game. The Games Learning Society does great work in exploring these complex dynamics, consider checking them out at GamesLearningSociety.org.