measure starts with only are for for least

Helm of Brilliance

Magic Items Dungeon Master’s Guide

Emanation is filled with Dim Light. Any Undead that starts its turn in that area takes 1d6 Radiant damage. Fire Opal Flames. As long as the helm has at least one fire opal, you can take a Magic action

. You gain the following benefits while wearing the helm. Diamond Light. As long as it has at least one diamond, the helm emits a 30-foot Emanation. When at least one Undead is within that area, the

Sea Hag

Monsters Monster Manual

Amphibious. The hag can breathe air and water. Coven Magic. While within 30 feet of at least two hag allies, the hag can cast one of the following spells, requiring no Material components, using the

finish a Long Rest before using this trait to cast that spell again. Vile Appearance. Wisdom Saving Throw: DC 11, any Beast or Humanoid that starts its turn within 30 feet of the hag and can see the hag

Prismatic Wall

Spells Player’s Handbook

harm. If another creature that can see the wall moves within 20 feet of it or starts its turn there, the creature must succeed on a Constitution saving throw or have the Blinded condition for 1 minute

through this layer, which is destroyed if it takes at least 25 Cold damage. 2 Orange. Failed Save: 12d6 Acid damage. Successful Save: Half as much damage. Additional Effects: Magical ranged

Helm of Brilliance Legacy

Magic Items Basic Rules (2014)

one diamond, the helm emits dim light in a 30-foot radius when at least one undead is within that area. Any undead that starts its turn in that area takes 1d6 radiant damage. As long as the helm has

: daylight (opal), fireball (fire opal), prismatic spray (diamond), or wall of fire (ruby). The gem is destroyed when the spell is cast and disappears from the helm. As long as it has at least

Oath of Devotion Legacy

Classes Basic Rules (2014)

same standards. Many who swear this oath are devoted to gods of law and good and use their gods’ tenets as the measure of their devotion. They hold angels—the perfect servants of good

while causing the least amount of harm. Duty. Be responsible for your actions and their consequences, protect those entrusted to your care, and obey those who have just authority over you.

Red Slaad Legacy

Monsters Monster Manual (2014)

Magic Resistance. The slaad has advantage on saving throws against spells and other magical effects. Regeneration. The slaad regains 10 hit points at the start of its turn if it has at least 1 hit

at a time. Over three months, the egg moves to the chest cavity, gestates, and forms a slaad tadpole. In the 24-hour period before giving birth, the host starts to feel unwell, its speed is halved

Stench Kow Legacy

Monsters Volo's Guide to Monsters

Charge. If the cow moves at least 20 feet straight toward a target and then hits it with a gore attack on the same turn, the target takes an extra 7 (2d6);{"diceNotation":"2d6","rollType":"damage

","rollAction":"Charge","rollDamageType":"piercing"} piercing damage. Stench. Any creature other than a stench kow that starts its turn within 5 feet of the stench kow must succeed on a DC 12 Constitution

Kobold Vampire Spawn

Monsters Icewind Dale: Rime of the Frostmaiden

Pack Tactics. The vampire has advantage on an attack roll against a creature if at least one of the vampire’s allies is within 5 feet of the creature and the ally isn’t incapacitated

. Regeneration. The vampire regains 10 hit points at the start of its turn if it has at least 1 hit point and isn’t in sunlight or running water. If the vampire takes radiant damage or damage from

Omin Dran

Monsters Acquisitions Incorporated

world. Omin Dran built the organization called Acquisitions Incorporated to facilitate and expand his quest to find his true sister, at least in part. For despite his unprecedented success in

establishing the market for franchised adventuring across the Sword Coast and beyond, Omin's full measure eludes most people. He is known to be a worshiper of Tymora, ruthless in matters of business, feckless

Barghest Legacy

Monsters Volo's Guide to Monsters

wearing or carrying isn't transformed. The barghest reverts to its true form if it dies. Fire Banishment. When the barghest starts its turn engulfed in flames that are at least 10 feet high or wide

Stench Kow

Monsters Mordenkainen Presents: Monsters of the Multiverse

Stench. Any creature other than a stench kow that starts its turn within 5 feet of the stench kow must succeed on a DC 12 Constitution saving throw or be poisoned until the start of the creature

least 20 feet straight toward the target immediately before the hit, the target takes an extra 7 (2d6);{"diceNotation":"2d6", "rollType":"damage", "rollAction":"Gore", "rollDamageType":"piercing

Fensir Devourer

Monsters Bigby Presents: Glory of the Giants

Death Curse. When the fensir starts its turn with 0 hit points and doesn’t regenerate, it releases a curse on those around it. Each creature within 30 feet of the fensir when it dies must

’s next turn. The fensir dies only if it starts its turn with 0 hit points and doesn’t regenerate. Sunlight Hypersensitivity. When the fensir starts its turn in sunlight, it must succeed

Vegepygmy Thorny Hunter

Monsters Quests from the Infinite Staircase

Pack Tactics. The vegepygmy has advantage on attack rolls against a creature if at least one of the vegepygmy’s allies is within 5 feet of the creature and the ally doesn’t have the

points at the start of its turn. If it takes cold, fire, or necrotic damage, this trait doesn’t function at the start of the vegepygmy’s next turn. The vegepygmy dies only if it starts its

Regenerating Black Pudding

Monsters Out of the Abyss

the start of the pudding's next turn. The pudding dies only if it starts its turn with 0 hit points and doesn't regenerate.Pseudopod. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to

damage, it splits into two new puddings if it has at least 10 hit points. Each new pudding has hit points equal to half the original pudding's, rounded down. New puddings are one size smaller than the original pudding.Acid, Cold, Lightning, Slashing

Vampire Spawn Legacy

Monsters Basic Rules (2014)

Regeneration. The vampire regains 10 hit points at the start of its turn if it has at least 1 hit point and isn't in sunlight or running water. If the vampire takes radiant damage or damage from holy

its resting place. Sunlight Hypersensitivity. The vampire takes 20 radiant damage when it starts its turn in sunlight. While in sunlight, it has disadvantage on attack rolls and ability

Troll (variant) Legacy

Monsters Monster Manual (2014)

, this trait doesn't function at the start of the troll's next turn. The troll dies only if it starts its turn with 0 hit points and doesn't regenerate. Loathsome Limbs. Whenever the troll takes at

least 15 slashing damage at one time, roll a d20;{"diceNotation":"1d20","rollType":"roll","rollAction":"Loathsome Limbs"} to determine what else happens to it: 1–10: Nothing else happens. 11

Sahuagin Wave Shaper

Monsters Ghosts of Saltmarsh

needs to be submerged at least once every 4 hours to avoid suffocating. Shark Telepathy. The wave shaper can magically command any shark within 120 feet of it, using a limited telepathy. Innate

at least 50 feet square and 25 feet deep, causing a whirlpool to form in the center of the area. The whirlpool forms a vortex that is 5 feet wide at the base, up to 50 feet wide at the top, 25 feet

Spawn of Kyuss Legacy

Monsters Volo's Guide to Monsters

Regeneration. The spawn of Kyuss regains 10 hit points at the start of its turn if it has at least 1 hit point and isn't in sunlight or a body of running water. If the spawn takes acid, fire, or

radiant damage, this trait doesn't function at the start of the spawn's next turn. The spawn is destroyed only if it starts its turn with 0 hit points and doesn't regenerate. Worms. If the spawn of Kyuss

Corpse Flower Legacy

Monsters Mordenkainen’s Tome of Foes

at least one humanoid corpse in its body, the corpse flower can use a bonus action to do one of the following: The corpse flower digests one humanoid corpse in its body and instantly regains 11 (2d10

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 the corpse flower or

Ferrumach Rilmani

Monsters Planescape: Adventures in the Multiverse

Bladed Edges. A creature takes 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction":"Bladed Edges", "rollDamageType":"slashing"} slashing damage if it starts its turn grappling or being

grappled by the ferrumach. Skewering Charge. If the ferrumach moves at least 20 feet in a straight line toward a Large or smaller creature and ends within 5 feet of it, that creature must succeed on

Blade Scout

Monsters Vecna: Eve of Ruin

Pack Tactics. The scout has advantage on an attack roll against a creature if at least one of the scout’s allies is within 5 feet of the creature and the ally doesn’t have the

or starts its turn there, it must succeed on a DC 16 Dexterity saving throw or take 21 (6d6);{"diceNotation":"6d6", "rollType":"damage", "rollAction":"Snare Trap", "rollDamageType":"piercing

Prismatic Wall Legacy

Spells Basic Rules (2014)

you designate at the time you cast the spell can pass through and remain near the wall without harm. If another creature that can see the wall moves to within 20 feet of it or starts its turn there

damage on a successful one. While this layer is in place, nonmagical ranged attacks can't pass through the wall. The layer can be destroyed by dealing at least 25 cold damage to it. 2. Orange. The

Barghest

Monsters Mordenkainen Presents: Monsters of the Multiverse

Fire Banishment. When the barghest starts its turn engulfed in flames that are at least 10 feet high or wide, it must succeed on a DC 15 Charisma saving throw or be instantly banished to Gehenna

. Soul Feeding. The barghest can feed on the corpse of a Fey or Humanoid it killed within the past 10 minutes. This feeding takes at least 1 minute, and it destroys the corpse. The victim’s soul is

Vampire Warrior Legacy

Monsters Monster Manual (2014)

reach its resting place within 2 hours or be destroyed. Once in its resting place, it reverts to its vampire form. It is then paralyzed until it regains at least 1 hit point. After spending 1 hour in

its resting place with 0 hit points, it regains 1 hit point. Regeneration. The vampire regains 20 hit points at the start of its turn if it has at least 1 hit point and isn't in sunlight or running

Vampire Legacy

Monsters Basic Rules (2014)

regains at least 1 hit point. After spending 1 hour in its resting place with 0 hit points, it regains 1 hit point. Regeneration. The vampire regains 20 hit points at the start of its turn if it has at

least 1 hit point and isn’t in sunlight or running water. If the vampire takes radiant damage or damage from holy water, this trait doesn’t function at the start of the vampire’s

Vampire Spellcaster Legacy

Monsters Monster Manual (2014)

reach its resting place within 2 hours or be destroyed. Once in its resting place, it reverts to its vampire form. It is then paralyzed until it regains at least 1 hit point. After spending 1 hour in

its resting place with 0 hit points, it regains 1 hit point. Regeneration. The vampire regains 20 hit points at the start of its turn if it has at least 1 hit point and isn't in sunlight or running

Red Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

Magic Resistance. The slaad has advantage on saving throws against spells and other magical effects. Regeneration. The slaad regains 10 hit points at the start of its turn if it has at least 1 hit

, the host starts to feel unwell, its speed is halved, and it has disadvantage on attack rolls, ability checks, and saving throws. At birth, the tadpole chews its way through vital organs and out of

The Lord of Blades

Monsters Eberron: Rising from the Last War

":"3d8","rollType":"damage","rollDamageType":"slashing"} slashing damage. A creature takes 13 (3d8);{"diceNotation":"3d8","rollType":"damage","rollDamageType":"slashing"} slashing damage if it starts its

turn grappling or being grappled by the Lord of Blades. Charge. If the Lord of Blades moves at least 10 feet straight toward a target and then hits it with his adamantine sixblade on the same turn

Nosferatu

Monsters Van Richten’s Guide to Ravenloft

Regeneration. The nosferatu regains 10 hit points at the start of each of its turns if it has at least 1 hit point and isn’t in sunlight. If the nosferatu takes radiant damage, this trait doesn

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

Spawn of Kyuss

Monsters Mordenkainen Presents: Monsters of the Multiverse

Regeneration. The spawn of Kyuss regains 10 hit points at the start of its turn if it has at least 1 hit point and isn’t in sunlight or a body of running water. If the spawn takes acid, fire

, or radiant damage, this trait doesn’t function at the start of the spawn’s next turn. The spawn is destroyed only if it starts its turn with 0 hit points and doesn’t regenerate

Priest of Osybus (Ectoplasmic)

Monsters Van Richten’s Guide to Ravenloft

Ectoplasmic Boon. When any creature starts its turn within 10 feet of the priest, the priest can reduce that creature’s speed by 10 feet until the start of the creature’s next turn, until

of Osybus on the priest’s body must be destroyed. The tattoo is invulnerable while the priest has at least 1 hit point. The tattoo is otherwise an object with AC 15, and it is immune to poison

Spiderdragon

Monsters Vecna: Eve of Ruin

terrain, and lightly obscured;lightly obscures its area. A creature that starts its turn in the webbing or enters the webbing for the first time on its turn must succeed on a DC 15 Dexterity saving throw

or have the restrained condition while in the web. As an action, a creature can free itself or another creature from the web by succeeding on a DC 15 Strength check. A 5-foot cube of the web is destroyed if it takes at least 10 acid, fire, or slashing damage on a single turn.

Tloques-Popolocas

Monsters Tales from the Yawning Portal

Regeneration. Tloques-Popolocas regains 10 hit points at the start of his turn if it has at least 1 hit point and isn't in sunlight or running water. If Tloques-Popolocas takes radiant damage or

heart while it is incapacitated in his resting place. Sunlight Hypersensitivity. Tloques-Popolocas takes 20 radiant damage when he starts his turn in sunlight. While in sunlight, he has disadvantage on

Kelubar Demodand

Monsters Planescape: Adventures in the Multiverse

;shators. They are squat, and their skin drips with a foul-smelling, acidic slime. Kelubars revel in the subservience of others, and they prefer to do battle with words—or at least to send in their

point within 120 feet of itself. The cloud remains for 1 minute or until the kelubar uses this bonus action again. The cloud is heavily obscured and difficult terrain. Any creature that starts its

Control Water Legacy

Spells Basic Rules (2014)

. This effect requires a body of water at least 50 feet square and 25 feet deep. You cause a whirlpool to form in the center of the area. The whirlpool forms a vortex that is 5 feet wide at the base

Strength (Athletics) check against your spell save DC. When a creature enters the vortex for the first time on a turn or starts its turn there, it must make a Strength saving throw. On a failed save

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