Making a melee weapon attack, as an attack of opportunity is not an attack action. You can’t grapple or shove with an attack of opportunity.
Can you make an opportunity attack while grappling 5e?
Technically, an opportunity attack triggers right before the opponent moves out of range, and must be taken at that point, no matter what state the ankheg is in. If they’re still grappling when it happens, as I read it, the letter and intent of the rules are both clear: no bitey.
Do monsters get attacks of opportunity?
Yes, monsters and NPCs get Reactions. That’s how they get opportunity attacks on the PCs.
Can You grapple a creature as an opportunity attack?
When you want to grab a creature or wrestle with it, you can use the Attack action to make a special melee attack, a grapple. If you’re able to make multiple attacks with the Attack action, this attack replaces one of them. (PHB pg.195) You can make an opportunity attack when a hostile creature that you can see moves out of your reach.
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.
Can a shove be used as an opportunity attack?
An opportunity attack is a special reaction. Take the Ready action if you want to attempt a grapple or a shove as a reaction.” Okay, so you can’t use an Opportunity Attack to Grapple or Shove, but what about Disarm? Disarm doesn’t specify that it requires the Attack action, only that it has to be a weapon attack.
How do you make an opportunity attack in RuneScape?
To make the opportunity attack, you use your reaction to make one melee attack against the provoking creature. The attack interrupts the provoking creature’s movement, occurring right before the creature leaves your reach. (ibid) RAW: You need to use the Attack action to make a grapple.
