monsters some with only actions first for led

What actions can monsters use to make Opportunity Attack? Are Multiattack and breath weapon actions allowed?

Compendium - Sources->Dungeons & Dragons->Sage Advice & Errata

What actions can monsters use to make Opportunity Attack? Are Multiattack and breath weapon actions allowed? When making an Opportunity Attack, a monster can make any single melee attack listed in

Dwarf

Species Player’s Handbook

strongholds into mountainsides and under the earth. Their oldest legends tell of conflicts with the monsters of mountaintops and the Underdark, whether those monsters were towering giants or

subterranean horrors. Inspired by those tales, dwarves of any culture often sing of valorous deeds—especially of the little overcoming the mighty. On some worlds in the multiverse, the first settlements

Adult Silver Dragon

Monsters Monster Manual

20, each creature in a 60-foot Cone. First Failure: The target has the Incapacitated condition until the end of its next turn, when it repeats the save. Second Failure: The target has the Paralyzed

use to take one of the following actions. The dragon regains all expended uses at the start of each of its turns. Chill. The dragon uses Spellcasting to cast Hold Monster. The dragon can’t take

Ancient Silver Dragon

Monsters Monster Manual

. Constitution Saving Throw: DC 24, each creature in a 90-foot Cone. First Failure: The target has the Incapacitated condition until the end of its next turn, when it repeats the save. Second Failure: The target

). Immediately after another creature’s turn, the dragon can expend a use to take one of the following actions. The dragon regains all expended uses at the start of each of its turns. Chill. The dragon

Adult Brass Dragon

Monsters Monster Manual

Throw: DC 18, each creature in a 60-foot Cone. First Failure: The target has the Incapacitated condition until the end of its next turn, at which point it repeats the save. Second Failure: The target

WeatherLegendary Action Uses: 3 (4 in Lair). Immediately after another creature’s turn, the dragon can expend a use to take one of the following actions. The dragon regains all expended uses at

Animal Shapes

Spells Player’s Handbook

statistics, but the target retains its creature type; Hit Points; Hit Point Dice; alignment; ability to communicate; and Intelligence, Wisdom, and Charisma scores. The target’s actions are

target gains a number of Temporary Hit Points equal to the Hit Points of the first form into which it shape-shifts. These Temporary Hit Points vanish if any remain when the spell ends. The transformation lasts for the duration or until the target ends it as a Bonus Action.

Ancient Brass Dragon

Monsters Monster Manual

. Constitution Saving Throw: DC 21, each creature in a 90-foot Cone. First Failure: The target has the Incapacitated condition until the end of its next turn, at which point it repeats the save. Second

/Day Each: Control Weather, Detect ThoughtsLegendary Action Uses: 3 (4 in Lair). Immediately after another creature’s turn, the dragon can expend a use to take one of the following actions. The

Sphinx of Valor

Monsters Monster Manual

":"Slashing"} Slashing damage. Roar (3/Day). The sphinx emits a magical roar. Whenever it roars, the roar has a different effect, as detailed below (the sequence resets when it takes a Long Rest): First

actions. The sphinx regains all expended uses at the start of each of its turns. Arcane Prowl. The sphinx can teleport up to 30 feet to an unoccupied space it can see, and it makes one Claw attack

Blob of Annihilation

Monsters Monster Manual

moves up to its Speed and can move through the spaces of Huge or smaller creatures and objects. Strength Saving Throw: DC 23, each creature or object whose space the blob enters for the first time

glob harmlessly dissolves. Success: Half damage only.Legendary Action Uses: 3. Immediately after another creature’s turn, the blob can expend a use to take one of the following actions. The blob

Beholder

Monsters Monster Manual

. First Failure: The target has the Restrained condition and repeats the save at the end of its next turn if it is still Restrained, ending the effect on itself on a success. Second Failure: The target

Points.Legendary Action Uses: 3 (4 in Lair). Immediately after another creature’s turn, the beholder can expend a use to take one of the following actions. The beholder regains all expended uses at the start

Elemental Cataclysm

Monsters Monster Manual

cloud have the Blinded and Deafened conditions and can’t cast spells with a Verbal component. Dexterity Saving Throw: DC 23, each creature that enters the cloud for the first time on a turn or

spellcasting ability.Legendary Action Uses: 3. Immediately after another creature’s turn, the cataclysm can expend a use to take one of the following actions. The cataclysm regains all expended

Death Tyrant

Monsters Monster Manual

. Constitution Saving Throw: DC 17. First Failure: The target has the Restrained condition and repeats the save at the end of its next turn if it is still Restrained, ending the effect on itself on a success

Hit Points. Legendary Action Uses: 3 (4 in Lair). Immediately after another creature’s turn, the death tyrant can expend a use to take one of the following actions. The death tyrant regains

Deck of Many Things

Magic Items Dungeon Master’s Guide

Movement. The avatar can move through other creatures and objects as if they were Difficult Terrain. It takes 5 (1d10) Force damage if it ends its turn inside an object. Actions Multiattack. The

your choice of History, Insight, Intimidation, or Persuasion. In addition, you gain rightful ownership of a small keep somewhere in the world. However, the keep is currently home to one or more monsters

Lorwyn-Shadowmoor Elf

Species Lorwyn: First Light

fallen empire to support their claims. These elves blame the fall of their empire on outside threats, especially the Phyrexian invasion (see Lorwyn: First Light). Though the invasion was the empire

’s death knell, its people’s self-importance and unwillingness to collaborate with other species had already led to the empire’s decline. In Shadowmoor Shadowmoor elves’ horns

Sammaster (Dracolich Form)