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Returning 35 results for 'deal mythos action'.
Spells
Player’s Handbook
make an attack roll, deal damage, or cast a spell.
As a Magic action, you can move the illusory double up to twice your Speed and make it gesture, speak, and behave in whatever way you choose. It is
Spells
Player’s Handbook
You magically mark one creature you can see within range as your quarry. Until the spell ends, you deal an extra 1d6 Force damage to the target whenever you hit it with an attack roll. You also have
Advantage on any Wisdom (Perception or Survival) check you make to find it.
If the target drops to 0 Hit Points before this spell ends, you can take a Bonus Action to move the mark to a new creature
Spells
Player’s Handbook
2d12 Lightning damage.
On each of your subsequent turns, you can take a Bonus Action to deal 1d12 Lightning damage to the target automatically, even if the first attack missed.
The spell ends if the
Spells
Player’s Handbook
You alter your physical form. Choose one of the following options. Its effects last for the duration, during which you can take a Magic action to replace the option you chose with a different one
spell to become quadrupedal, for instance. For the duration, you can take a Magic action to change your appearance in this way again.
Natural Weapons. You grow claws (Slashing), fangs (Piercing
Spells
Player’s Handbook
duration. It seems real, including sounds, smells, and temperature appropriate to the thing depicted, but it can’t deal damage or cause conditions.
If you are within range of the illusion, you can
take a Magic action to cause the image to move to any other spot within range. As the image changes location, you can alter its appearance so that its movements appear natural for the image. For
Spells
Player’s Handbook
You place a curses;curse on a creature that you can see within range. Until the spell ends, you deal an extra 1d6 Necrotic damage to the target whenever you hit it with an attack roll. Also, choose
one ability when you cast the spell. The target has Disadvantage on ability checks made with the chosen ability.
If the target drops to 0 Hit Points before this spell ends, you can take a Bonus Action
Spells
Player’s Handbook
contact with the object takes 2d8 Fire damage when you cast the spell. Until the spell ends, you can take a Bonus Action on each of your later turns to deal this damage again if the object is within range
Spells
Player’s Handbook
Study action to examine the phantasm with an Intelligence (Investigation) check against your spell save DC. If the check succeeds, the target realizes that the phantasm is an illusion, and the spell ends
creature or hazard. On each of your turns, such a phantasm can deal 2d8 Psychic damage to the target if it is in the phantasm’s area or within 5 feet of the phantasm. The target perceives the damage as a type appropriate to the illusion.
Spells
Player’s Handbook
Wisdom saving throw at the start of each of its turns or be forced to take the Dodge action on that turn.
If you deal damage to the target with an attack roll or a spell, the target takes an extra 1d8
Magic Items
Dungeon Master’s Guide (2024)
-75
When you hit with an attack roll using the Moonblade, you deal an extra 1d6 Force damage. Each time the weapon gains this property after the first, the extra damage increases by 1d6, to a maximum
time you throw the weapon, it flies back to your hand after the attack.
81-85
The Moonblade scores a Critical Hit on a roll of 19 or 20 on the d20.
86-95
You can take a Bonus Action to
Monsters
Acquisitions Incorporated
Divine Eminence. As a bonus action, Dagdra can expend a spell slot to cause her melee weapon attacks to magically deal an extra 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollAction":"Divine
slots): lesser restoration, spiritual weapon
3rd level (2 slots): dispel magic, spirit guardians
Scroll Service (1/Day). As an action, the documancer draws a spell scroll from its documancy satchel. The
Monsters
Storm King's Thunder
use an action on its turn to deal 20 psychic damage to Lord Drylund. This damage is enough to kill Lord Drylund instantly.Rapier. Melee Weapon Attack: +3;{"diceNotation":"1d20+3","rollType":"to hit
Monsters
Ghosts of Saltmarsh
Divine Eminence. As a bonus action, the Refrum can expend a spell slot to cause his melee weapon attacks to magically deal an extra 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollAction
Monsters
Waterdeep: Dragon Heist
Divine Eminence. As a bonus action, the priest can expend a spell slot to cause its melee weapon attacks to magically deal an extra 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollAction
":"Mace","rollDamageType":"bludgeoning"} bludgeoning damage.
Dragonborn. She can use her action to exhale a 5-foot-wide, 30-foot line of lightning (but can't do this again until she finishes a short or
Monsters
Ghosts of Saltmarsh
Amphibious. The koalinth can breathe air and water.
Martial Advantage. Once per turn, the koalinth can deal an extra 7 (2d6);{"diceNotation":"2d6","rollType":"roll","rollAction":"Martial Advantage
its action to make a DC 12 Strength check to free itself or another creature in a hooked net, ending the effect on a success. Dealing 5 slashing damage to the net (AC 12) frees the target without
Magic Items
The Book of Many Things
The cards of this deck shimmer around the edges. While holding this deck, you can use the following properties:
Deadly Deal. As an action, you can use this deck to make a ranged spell attack by
throwing a spectral card and using Dexterity for the attack roll. The card has a range of 120 feet and deals 1d8 force damage on a hit.
Spray of Cards. As an action, you can shuffle the deck and cast the
Monsters
Tales from the Yawning Portal
Cunning Action. On each of its turns, the spy can use a bonus action to take the Dash, Disengage, or Hide action.
Duergar Resilience. The spy has advantage on saving throws against poison, spells
, and illusions, as well as to resist being charmed or paralyzed.
Sneak Attack. Once per turn, the spy can deal an extra 7 (2d6);{"diceNotation":"2d6","rollType":"roll","rollAction":"Sneak Attack"} damage
Monsters
Waterdeep: Dragon Heist
Divine Eminence. As a bonus action, Avi can expend a spell slot to cause its melee weapon attacks to magically deal an extra 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollDamageType
Monsters
Storm King's Thunder
Divine Eminence. As a bonus action, Elister can expend a spell slot to cause its melee weapon attacks to magically deal an extra 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollAction
Monsters
Out of the Abyss
Divine Eminence. As a bonus action, Asha can expend a spell slot to cause its melee weapon attacks to magically deal an extra 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollAction":"Divine
Monsters
Out of the Abyss
attack rolls, as well as on Wisdom (Perception) checks that rely on sight.
Scimitar of Speed. Viln wields a scimitar of speed and can make one attack with it as a bonus action on her turn. All of
Viln’s attacks with the weapon are +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction":"Scimitar of Speed"} to hit and deal 8 (1d6 + 5);{"diceNotation":"1d6+5","rollType":"damage
Monsters
Acquisitions Incorporated
Divine Eminence. As a bonus action, Prophetess can expend a spell slot to cause her melee weapon attacks to magically deal an extra 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollAction
Spells
Xanathar's Guide to Everything
takes 2d8 necrotic damage, and the spell ends. On a failed save, the target takes 4d8 necrotic damage, and until the spell ends, you can use your action on each of your turns to automatically deal 4d8
necrotic damage to the target. The spell ends if you use your action to do anything else, if the target is ever outside the spell’s range, or if the target has total cover from you.
Whenever the
Monsters
Tyranny of Dragons
, Rezmir can deal an extra 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Dark Advantage"} damage when she hits with a weapon attack, provided Rezmir has advantage on the attack roll
once or spreading them over the round. A legendary action can be taken only at the start or end of a turn. Rezmir has the following legendary action options, some of which expend more than one action
Monsters
Guildmasters’ Guide to Ravnica
Infusion. Jarad is surrounded by a cloud of spores. As a bonus action, he can cause the spores to deal 11 (2d10);{"diceNotation":"2d10","rollType":"damage","rollAction":"Spore Infusion","rollDamageType
instead.Multiattack. Jarad makes two attacks: one with his Noxious Touch and one with his Staff of Svogthir. He can cast a spell with a casting time of 1 action in place of one of these attacks.
Noxious Touch
Magic Items
Guildmasters’ Guide to Ravnica
soul imprisoned in the dagger, your attacks with it deal an extra 1d4 necrotic damage on a hit. While the dagger is within 5 feet of you, your dreams are haunted by whispers from the trapped souls.
The
dagger has the following additional properties.
Siphon Vitality. As a bonus action, you can release any number of stored souls from the dagger to regain 1d10 hit points per soul released
Monsters
Mordenkainen Presents: Monsters of the Multiverse
the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. Hutijin regains spent legendary actions at the start of his turn
, he negotiates as quickly as he can, usually closing a deal with little cost to the summoner. However, once the deal has been fulfilled, Hutijin repays the interruption with death.Fire, PoisonCold; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered
Monsters
Baldur’s Gate: Descent into Avernus
Aura of Hate. While Arkhan isn't incapacitated, he and all fiends and undead within 30 feet of him deal 4 extra damage whenever they hit with a melee weapon attack (already factored into Arkhan's
with opposition, he orders the white abishai;abishai to attack. Arkhan can also use a bonus action to call forth Asojano, a chimera lairing in the depths of the colossal dragon skull.Fire, Poison; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks
Spells
Xanathar's Guide to Everything
deal an extra 2d8 radiant damage on a hit. If the weapon isn’t already a magic weapon, it becomes one for the duration.
As a bonus action on your turn, you can dismiss this spell and cause the
Monsters
The Book of Many Things
damage against it.The corrupter can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn
initiative ties) while in its lair, the villain can take one of the following lair actions; the villain can’t take the same lair action two rounds in a row:
Distraction. A shrill sound fills the lair
Magic Items
Fizban's Treasury of Dragons
resistance to psychic and thunder damage. Also, when you take damage from a creature that is within 5 feet of you, you can use your reaction to deal 2d6 thunder damage to that creature.
As an action, you
Monsters
The Book of Many Things
":"radiant"} radiant damage. If the target is a creature, it must succeed on a DC 22 Charisma saving throw, or on its next turn, it can either move or take an action, but not both.
Revelation. The veiled
presence halves the attack’s damage against it.The veiled presence can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only
Magic Items
Tyranny of Dragons
creature burning in this way takes 1d6 fire damage. A creature that can reach the burning target can use an action to extinguish the fire.
Lingering Shock (Blue Dragon Mask Only). If you deal lightning
saving throw, you can choose to succeed instead.
Dragon Fire (Red Dragon Mask Only). If you deal fire damage to a creature or flammable object, it starts burning. At the start of each of its turns, a
Monsters
The Book of Many Things
legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. The infiltrator regains all spent legendary
lair actions; the villain can’t take the same lair action two rounds in a row:
Distraction. A shrill sound fills the lair. Creatures that can hear it must succeed on a DC 15 Constitution saving
Monsters
Fizban's Treasury of Dragons
, and it regains any expended uses of Legendary Resistance. Additionally, the greatwyrm can now use its Mass Telekinesis action during the next hour. Award a party an additional 90,000 XP (180,000 XP
direction, but not beyond 120 feet of itself. In addition, it can choose any number of creatures restrained in this way and deal 45 (7d12);{"diceNotation":"7d12","rollType":"damage","rollAction":"Mass