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Returning 35 results for 'check first'.
Monsters
Monster Manual
feet of the cube can pull a creature or an object out of the cube by succeeding on a DC 12 Strength (Athletics) check, and the puller takes 10 (3d6);{"diceNotation":"3d6", "rollType":"damage
", "rollAction":"Ooze Cube", "rollDamageType":"Acid"} Acid damage.
Transparent. Even when the cube is in plain sight, a creature must succeed on a DC 15 Wisdom (Perception) check to notice the cube if the
Magic Items
Dungeon Master’s Guide
Strength (Athletics) check. Another creature can take an action to reach into the bag to pull a creature out, doing so with a successful DC 20 Strength (Athletics) check, provided the puller isn’t
pulled inside the bag first. Any creature that starts its turn inside the bag is devoured, its body destroyed.
Inanimate objects can be stored in the bag, which can hold a cubic foot of such material
Spells
Player’s Handbook
turn. Webs layered over a flat surface have a depth of 5 feet.
The first time a creature enters the webs on a turn or starts its turn there, it must succeed on a Dexterity saving throw or have the
Restrained condition while in the webs or until it breaks free.
A creature Restrained by the webs can take an action to make a Strength (Athletics) check against your spell save DC. If it succeeds, it is
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
target has the Restrained condition, has Total Cover, and is suffocating. As an action, a buried creature or another creature within 5 feet of it can make a DC 18 Strength (Athletics) check. On a
Spells
Player’s Handbook
takes 2d8 Bludgeoning damage. On a successful save, the creature takes half as much damage. A creature can swim away from the whirlpool only if it first takes an action to pull away and succeeds on a Strength (Athletics) check against your spell save DC.
the whirlpool is pulled 10 feet toward it. When a creature enters the whirlpool for the first time on a turn or ends its turn there, it makes a Strength saving throw. On a failed save, the creature
Magic Items
Dungeon Master’s Guide
) check related to the Abyss. When you do so, you gain Advantage on the check.
Containment. The first ten pages of the Demonomicon are blank. As a Magic action while holding the book, you can target a
it longs to be more than mere reference material.
Abyssal Lore. You can reference the Demonomicon whenever you make an Intelligence check to discern information about demons or a Wisdom (Survival
Spells
Player’s Handbook
.
The glyph is nearly imperceptible and requires a successful Wisdom (Perception) check against your spell save DC to notice.
When you inscribe the glyph, you set its trigger and choose which effect the
minutes, after which time the spell ends. Each creature in the Sphere when the glyph activates is targeted by its effect, as is a creature that enters the Sphere for the first time on a turn or ends
Magic Items
Dungeon Master’s Guide
This item first appears to be a sealed iron barrel weighing 500 pounds. The barrel has a hidden catch, which can be found with a successful DC 20 Intelligence (Investigation) check. Releasing the
Monsters
Ghosts of Saltmarsh
vortex by succeeding on a DC 14 Strength (Athletics) check.
When a creature enters the vortex for the first time on a turn or starts its turn there, it must make a DC 14 Strength saving throw. On a
(Athletics) check to do so.
The first time each turn that an object enters the vortex, the object takes 9 (2d8);{"diceNotation":"2d8","rollType":"damage","rollDamageType":"bludgeoning"} bludgeoning damage. This damage occurs each round it remains in the vortex.
Magic Items
Candlekeep Mysteries
can expend 1 of the staff's charges to give yourself or one other creature that you can see a d4. The recipient can roll this d4 and add the number rolled to one ability check, attack roll, damage
staff becomes a nonmagical quarterstaff that breaks the first time it scores a hit and deals damage. On a roll of 10 or higher, the staff regains 1d6 of its expended charges.
Magic Items
Acquisitions Incorporated
While attuned to this device, you have a +1 bonus to Intelligence saving throws. The first time you attune to the chronolometer, you choose one language you don’t know. You subsequently know
doubling your speed until the end of the turn. On a 4–6, you go forward in time to warn yourself of what is to come. The next time you fail a saving throw, attack roll, or ability check, you can
Monsters
Vecna: Eve of Ruin
ceilings, without needing to make an ability check.
Web Walker. The spiderdragon ignores movement restrictions caused by webbing.Multiattack. The spiderdragon makes one Bite attack and two Claw attacks
as much damage on a successful one.The terrors known as spiderdragons were first found in the deepest corners of the Underdark and trace their origins to black dragon wyrmlings who ate a steady diet
Magic Items
Bigby Presents: Glory of the Giants
speaking, singing, and playing by itself.
Whenever you attempt to attune to the harp, you must first make either a DC 15 Charisma (Performance) check or a DC 20 Charisma (Persuasion) check to convince the
harp resizes to suit you.
Stalwart Song. Whenever you make a Charisma check while attuned to the harp, you can treat a roll of 9 or lower on the die as a 10.
Feast of Plenty. If you spend 10 minutes
Monsters
Mordenkainen Presents: Monsters of the Multiverse
Mimicry. The leucrotta can mimic Beast sounds and Humanoid voices. A creature that hears the sounds can tell they are imitations only with a successful DC 14 Wisdom (Insight) check.
Stench. Any
cover up the stink of death.
The first leucrottas came into being alongside some gnolls during the rampages of Yeenoghu on the Material Plane. While many of the hyenas that ate Yeenoghu’s
Monsters
Strixhaven: A Curriculum of Chaos
that Y’demi can see within 15 feet of her. The effect lasts for 1 minute, during which time that area is difficult terrain. Any creature entering that area for the first time on a turn or
(Athletics) check or a DC 13 Dexterity (Acrobatics) check, ending the restrained condition on itself on a success.
Monsters
Quests from the Infinite Staircase
, Phantasmal Force
1/day each: Fabricate (as an action), MisleadAstonishing Luck. When the leprechaun fails an ability check, an attack roll, or a saving throw, it can roll a new d20 and choose which
powers on behalf of those who offer them gifts. Leprechauns despise greed and are spiteful toward anyone who makes demands without first offering a gift or, worse, anyone who tries to steal from them
Monsters
Quests from the Infinite Staircase
18 Intelligence (Investigation) check to discern that the memory web is animate.
Memory Flood. When the memory web is reduced to 0 hit points, it discharges any memories it consumed over the past 24
;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Drained Memories"} each time it makes an ability check or attack roll, subtracting the d4 roll from it. Each time the target is memory drained beyond
Monsters
Bigby Presents: Glory of the Giants
DC 22 Strength check. On a successful check, the affected creature relocates to an unoccupied space of its choice within 5 feet of the colossus and is no longer restrained.
Arcane Beam (Recharge 5–6
: the first runic colossus.
A runic colossus stands 30 feet tall. It regards all non-giants as a threat, and unless it has other orders, it attacks such creatures on sight.
The art of crafting a runic
Monsters
Storm King's Thunder
a safe distance with a successful DC 20 Wisdom (Perception) check. Otherwise, the first creature to step on the thin crust covering the sinkhole must succeed on a DC 15 Dexterity saving throw or fall
regains spent legendary actions at the start of its turn.
Detect. The dragon makes a Wisdom (Perception) check.
Tail Attack. The dragon makes a tail attack.
Wing Attack (Costs 2 Actions). The
Monsters
Thieves’ Gallery
himself fails an ability check, an attack roll, or a saving throw, Edgin grants the creature magical encouragement. The creature can roll a d8;{"diceNotation":"1d8","rollType":"roll","rollAction":"Inspiring
relies on charisma first—rather than magic or muscle—to escape trouble. Once a member of the Harpers, a spy organization dedicated to protecting Faerûn’s common folk, Edgin has
Monsters
Mordenkainen Presents: Monsters of the Multiverse
, including upside down on ceilings, without needing to make an ability check.
Sunlight Sensitivity. While in sunlight, the choldrith has disadvantage on attack rolls, as well as on Wisdom (Perception) checks
", "rollAction":"Web"} to hit, range 30/60 ft., one Large or smaller creature. Hit: The target is restrained by webbing. As an action, the restrained target can make a DC 11 Strength check, bursting the webbing
Monsters
Guildmasters’ Guide to Ravnica
creature it can see makes an attack roll, a saving throw, or an ability check, the mage can cause the roll to be made with advantage or disadvantage.Precognitive mages, a rarity among Azorius
who first put her gifts to use as a young thief on the streets of Ravnica. While still a teenager, she was apprehended and then pardoned in exchange for agreeing to use her talents in the service of
Monsters
Bigby Presents: Glory of the Giants
creature makes a DC 19 Strength (Athletics) or Dexterity (Acrobatics) check. On a successful check, the creature escapes and moves 3d6;{"diceNotation":"3d6","rollType":"roll","rollAction":"Feet"} ×
, creating one or more of the following effects:
Compulsory Offering. The first time a sapient creature comes within 6 miles of the scion, the creature must succeed on a DC 15 Wisdom saving throw or feel
Monsters
Adventure Atlas: The Mortuary
be dispersed by wind. It does not move with him.
Each creature that enters the fog for the first time on a turn or starts its turn there must make a DC 19 Constitution saving throw, taking 28 (8d6
is 5th level or higher, Skall makes an Intelligence check (DC 10 + the spell’s level). On a successful check, the spell fails and has no effect. Whatever the spell’s level, the caster
Monsters
Princes of the Apocalypse
Strength check, ending the effect on itself or another creature within its reach on a success.
Crystalline spikes grow from the ground in a 20-foot-radius area within 60 feet of Ogrémoch. The area
tremors"} rounds. At first, damage is minor — broken windows, cracked plaster, items toppled off shelves. The longer Ogrémoch remains, the stronger the tremors become. After 5 days, the
Monsters
The Book of Many Things
material components and using Charisma as the spellcasting ability.Shuffle Destiny. When a creature the riffler can see within 30 feet of itself makes an ability check, an attack roll, or a saving throw
dangerously curious spirits manifested as physical beings when the Deck of Many Things was shuffled for the first time. The rifflers were so enraptured with the soft sound made by the whispering cards
Monsters
Bigby Presents: Glory of the Giants
being embedded in hardening rock. A creature can make a DC 25 Strength (Athletics) check as an action, freeing itself or a creature within reach from the rock on a success. The rock has AC 17 and 40 hit
first empires of giants until Annam retreated into seclusion. On other worlds, the scions guard their birthplaces (which are rich in elemental magic) or hold the substance of the world together. (See
Monsters
Van Richten’s Guide to Ravenloft
check.
Sunlight Hypersensitivity. The nosferatu takes 20 radiant damage when it starts its turn in sunlight. While in sunlight, it has disadvantage on attack rolls and ability checks.
Unusual Nature
stables turned into slaughterhouses are typical first signs of a nosferatu’s predation. When the sun interrupts their hunts, nosferatu retreat to favored ruins, sewers, or caves, caring nothing for
Monsters
Vecna: Eve of Ruin
’s area for the first time on a turn or starts its turn there, it must succeed on a DC 16 Dexterity saving throw or have the prone condition. The ice disappears at the start of the borthak&rsquo
;s next turn.
Webbed Feet. The borthak can move across icy surfaces without needing to make an ability check. Additionally, difficult terrain composed of ice or snow doesn’t cost it extra
Monsters
Vecna: Eve of Ruin
, it fails and has no effect. If the spell is 6th level or higher, Alustriel makes an Intelligence check (DC 10 plus the spell’s level). On a successful check, the spell fails and has no effect
in her true form. She helped create Silverymoon’s famous Moonbridge and cofounded the Lady’s College, the first school in Faerûn for mages as students rather than as apprentices in
Monsters
Spelljammer: Adventures in Space
first spelljamming helm;spelljamming helms from dohwar merchants (see “Dohwar”). Subsequent visits to other Wildspace systems led to contact with a multitude of other folk. In the wake of
make a DC 15 Wisdom (Insight) check, piercing the illusion and discerning the clown’s true form on a success.
Monsters
Mordenkainen Presents: Monsters of the Multiverse
Corpses. When first encountered, a corpse flower contains the corpses of 1d6 + 3;{"diceNotation":"1d6 + 3", "rollType":"roll", "rollAction":"Humanoids"} Humanoids. A corpse flower can hold the
Climb. The corpse flower can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
Stench of Death. Each creature that starts its turn within 10 feet of
Monsters
Monstrous Compendium Vol. 4: Eldraine Creatures
succeed on a DC 18 Intelligence (Investigation) check to discern that the wurm is animate.
Leafy Handholds. Creatures have advantage on ability checks made to climb the wurm.
Legendary Resistance (3
beanstalk wurms as a first line of defense against those who would ascend massive beanstalks—also known as Everstalks—to intrude on their lofty palaces. Beanstalk wurms lie coiled along the
Monsters
Acquisitions Incorporated
the weapon cannot be used until the creature succeeds on a DC 12 Strength (Athletics) check as an action to pull it out of Splugoth. Natural weapons can have their attacks negated by this feature, but
trust Omin Dran. Wait, that’s two pieces of advice. You owe me.
Sometimes a goblin can’t catch a break. First, you fall in with a cult that works for the release of a death god. Then
Monsters
Van Richten’s Guide to Ravenloft
ability check.
Unusual Nature. The necrichor doesn’t require air, food, drink, or sleep.Multiattack. The necrichor makes two attacks.
Pseudopod. Melee Weapon Attack: +5;{"diceNotation":"1d20+5
sludge in the crypts of failed liches. Despite the loss of a solid physical form, these foul creatures retain their terrible intellects and aspire to megalomaniacal goals—the first of which