Further in this section in “Melee Attacks,” the requirements to perform a Opportunity Attack is that “you use your reaction to make one melee attack against the provoking creature.” As defined by the simple rule mentioned in the “Making an Attack” section, an Opportunity Attack is an attack action since the player …
Can you draw a weapon as part of an opportunity attack?
100% correct: a weapon cannot be drawn as part of an opportunity attack, despite the fact that a weapon can be drawn as part of an attack roll (even on a reaction).
Can a creature with multiattack use it on an opportunity?
Additionally, multiattack specifies that it can’t be used in this way. From the DM Basic Rules, page 6: A creature that can make multiple attacks on its turn has the Multiattack ability. A creature can’t use Multiattack when making an opportunity attack, which must be a single melee attack.
Can you make more than one attack of opportunity?
This feat does not let you make more than one attack for a given opportunity, but if the same opponent provokes two attacks of opportunity from you, you could make two separate attacks of opportunity (since each one represents a different opportunity).
What does the multiattack entry on a monster do?
The monster’s Multiattack entry will specify not just the number of attacks they can take, but which of their attacks (defined in the same section of their statblock) they are allowed to take. They can’t just swap any of those out with grapple or shove or any other attacks they might have.
How big does a creature have to be to make an attack of opportunity?
If you’re unarmed, you don’t normally threaten any squares and thus can’t make attacks of opportunity. Reach Weapons: Most creatures of Medium or smaller size have a reach of only 5 feet. This means that they can make melee attacks only against creatures up to 5 feet (1 square) away.
