before both detect count reduces

Mind Flayer Arcanist

Monsters Monster Manual

liquid large enough to support the target. If this damage reduces the target to 0 Hit Points, the mind flayer kills it and magically devours its brain. Mind Burst (Recharge 5–6);{"diceNotation":"1d6

: Half damage only. Spellcasting. The mind flayer casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 17): At Will: Detect

Mind Flayer

Monsters Monster Manual

":"Piercing"} Piercing damage. Success: Half damage. Failure or Success: If this damage reduces the target to 0 Hit Points, the mind flayer kills it and devours its brain. Mind Blast (Recharge 5–6

. Spellcasting. The mind flayer casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 15): At Will: Detect Thoughts 1/Day Each: Dominate Monster, Plane Shift (self only)Psychic

Death Tyrant

Monsters Monster Manual

: Half damage. Failure or Success: If the target is a creature and this damage reduces it to 0 Hit Points, it disintegrates into dust. Death Ray. Dexterity Saving Throw: DC 17. Failure: 55 (10d10

);{"diceNotation":"10d10", "rollType":"damage", "rollAction":"Death Ray", "rollDamageType":"Necrotic"} Necrotic damage. Success: Half damage. Failure or Success: The target dies if the ray reduces it to 0

Deck of Many Things

Magic Items Dungeon Master’s Guide

combat, you have Advantage on Death Saving Throws for 1 year. If someone else reduces your chosen foe to 0 Hit Points or you don’t choose a foe, this card has no effect. Donjon. You disappear

Disadvantage on D20 Tests for the next 72 hours. Draw another card; this draw doesn’t count as one of your declared draws. Gem. Twenty-five pieces of jewelry worth 2,000 GP each or fifty gems worth

Domestic Wonder

Monsters Forgotten Realms: Heroes of Faerûn

Mechanical Determination. If damage reduces the wonder to 0 Hit Points, it makes a Constitution saving throw with a DC of 5 plus the damage taken unless the damage is Lightning or from a Critical Hit

. In combat, the wonder shares your Initiative count, but it takes its turn immediately after yours. It obeys your verbal commands (no action required by you). If you don’t issue any, it takes the

Mechanical Wonder

Magic Items Forgotten Realms: Heroes of Faerûn

and your allies. In combat, the wonder shares your Initiative count, but it takes its turn immediately after yours. It obeys your verbal commands (no action required by you). If you don’t issue

Mechanical Determination. If damage reduces the wonder to 0 Hit Points, it makes a Constitution saving throw with a DC of 5 plus the damage taken unless the damage is Lightning or from a Critical Hit. On

Tyrannosaurus Zombie

Monsters Tomb of Annihilation

the start of its next turn. These zombies act on their own initiative count. Undead Fortitude. If damage reduces the tyrannosaurus zombie to 0 hit points, it must make a Constitution saving throw with

count. After a zombie is disgorged, roll a d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Disgorge Zombie"}. On a roll of 1, the tyrannosaurus zombie runs out of zombies to disgorge and loses

Diderius

Monsters Tyranny of Dragons

, ray of frost 1st level (4 slots): charm person, detect magic, shield, thunderwave 2nd level (3 slots): cloud of daggers, hold person, see invisibility 3rd level (3 slots): animate dead, dispel

decreases by 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Rotting Fist"} for every 24 hours that elapse. If the curse reduces the target’s hit point maximum to 0, the target

Beholder Legacy

Monsters Monster Manual (2014)

or take 45 (10d8);{"diceNotation":"10d8","rollType":"damage","rollAction":"Disintegration Ray","rollDamageType":"force"} force damage. If this damage reduces the creature to 0 hit points, its body

":"10d10","rollType":"damage","rollAction":"Death Ray","rollDamageType":"necrotic"} necrotic damage. The target dies if the ray reduces it to 0 hit points. The beholder can take 3 legendary actions

Merrenoloth Legacy

Monsters Mordenkainen’s Tome of Foes

person, darkness, detect magic, dispel magic, gust of wind 3/day: control water 1/day: control weather Magic Resistance. The merrenoloth has advantage on saving throws against spells and other magical

merrenoloth can invoke its ability to take lair actions. On initiative count 20 (losing initiative ties), the merrenoloth can take one lair action to cause one of the following effects; it can't use the

Fazrian

Monsters Waterdeep: Dungeon of the Mad Mage

(spell save DC 20). The planetar can innately cast the following spells, requiring no material components: At will: detect evil and good, invisibility (self only) 3/day each: blade barrier, dispel evil

death.Unless he is incapacitated, Fazrian can take one of the following lair actions on initiative count 20 (losing initiative ties) while on the Terminus Level: Blood flows from Fazrian's eyes until

Mind Flayer Arcanist Legacy

Monsters Monster Manual (2014)

spellcasting ability is Intelligence (spell save DC 15). It can innately cast the following spells, requiring no components: At will: detect thoughts, levitate 1/day each: dominate monster, plane shift (self

): detect magic, disguise self, shield, sleep 2nd level (3 slots): blur, invisibility, ray of enfeeblement 3rd level (3 slots): clairvoyance, lightning bolt, sending 4th level (3 slots): confusion

Mind Flayer Legacy

Monsters Monster Manual (2014)

Intelligence (spell save DC 15). It can innately cast the following spells, requiring no components: At will: detect thoughts, levitate 1/day each: dominate monster, plane shift (self only)Tentacles

mind flayer. Hit: The target takes 55 (10d10);{"diceNotation":"10d10","rollType":"damage","rollAction":"Extract Brain","rollDamageType":"piercing"} piercing damage. If this damage reduces the target to

Death Tyrant Legacy

Monsters Monster Manual (2014)

succeed on a DC 17 Dexterity saving throw or take 45 (10d8);{"diceNotation":"10d8","rollAction":"Disintegration Ray","rollType":"damage","rollDamageType":"force"} force damage. If this damage reduces the

take 55 (10d10);{"diceNotation":"10d10","rollAction":"Death Ray","rollType":"damage","rollDamageType":"necrotic"} necrotic damage. The target dies if the ray reduces it to 0 hit points. The death

Merrenoloth

Monsters Mordenkainen Presents: Monsters of the Multiverse

spells, requiring no material components and using Intelligence as the spellcasting ability (spell save DC 13): At will: charm person, darkness, detect magic, dispel magic, gust of wind 3/day: control

who forcefully boards their vessels.Lair Actions On initiative count 20 (losing initiative ties) while captaining a vessel, the merrenoloth can take one of the following lair actions; it can’t

Night Hag Legacy

Monsters Basic Rules (2014)

). She can innately cast the following spells, requiring no material components: At will: detect magic, magic missile 2/day each: plane shift (self only), ray of enfeeblement, sleep Magic

(1d10);{"diceNotation":"1d10","rollType":"roll","rollAction":"Nightmare Haunting"}. If this effect reduces the target's hit point maximum to 0, the target dies, and if the target was evil, its soul is

Mummy Lord Legacy

Monsters Basic Rules (2014)

, and its hit point maximum decreases by 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Rotting Fist"} for every 24 hours that elapse. If the curse reduces the target's hit point maximum

On initiative count 20 (losing initiative ties), the mummy lord takes a lair action to cause one of the following effects; the mummy lord can’t use the same effect two rounds in a row. Each

Xvart Warlock of Raxivort Legacy

Monsters Volo's Guide to Monsters

Innate Spellcasting. The xvart's innate spellcasting ability is Charisma. It can innately cast the following spells, requiring no material components: At will: detect magic, mage armor (self only

its turns. Raxivort's Blessing. When the xvart reduces an enemy to 0 hit points, the xvart gains 4 temporary hit points. Raxivort's Tongue. The xvart can communicate with ordinary bat;bats and rat

Deathlock Wight Legacy

Monsters Tales from the Yawning Portal

Innate Spellcasting. The wight's innate spellcasting ability is Charisma (spell save DC 13). It can innately cast the following spells, requiring no verbal or material components: At will: detect

finishes a long rest. The target dies if this effect reduces its hit point maximum to 0. A humanoid slain by this attack rises 24 hours later as a zombie under the wight's control, unless the humanoid

Night Hag (Coven Variant) Legacy

Monsters Monster Manual (2014)

). She can innately cast the following spells, requiring no material components: At will: detect magic, magic missile 2/day each: plane shift (self only), ray of enfeeblement, sleep Magic

":"roll","rollAction":"Nightmare Haunting"}. If this effect reduces the target's hit point maximum to 0, the target dies, and if the target was evil, its soul is trapped in the hag's soul bag. The

Ancient Gold Dragon Legacy

Monsters Basic Rules (2014)

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 dragon

ancient ruins. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 17): At will: detect magic 3/day each: dispel magic, fear, invisibility 1/day

initiative count 20 (losing initiative ties), Yeenoghu can take one of the following lair actions; he can’t take the same lair action two rounds in a row: Incite the Pack. Until the next initiative

Lich Legacy

Monsters Basic Rules (2014)

following wizard spells prepared: Cantrips (at will): mage hand, prestidigitation, ray of frost 1st level (4 slots): detect magic, magic missile, shield, thunderwave 2nd level (3 slots): acid arrow

, detect thoughts, invisibility, mirror image 3rd level (3 slots): animate dead, counterspell, dispel magic, fireball 4th level (3 slots): blight, dimension door 5th level (3 slots): cloudkill, scrying

Adult Gold Dragon Legacy

Monsters Basic Rules (2014)

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 dragon beats

ruins. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row

Adult Red Dragon Legacy

Monsters Basic Rules (2014)

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 dragon beats its

initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row: Magma erupts from a

Ulitharid Legacy

Monsters Volo's Guide to Monsters

, the elder brain can form a psychic link with any other creature the ulitharid can detect using its Creature Sense. Any such link ends if the creature falls outside the telepathy ranges of both the

is Intelligence (spell save DC 17). It can innately cast the following spells, requiring no components: At will: detect thoughts, levitate 1/day each: confusion, dominate monster, eyebite

Mind Flayer Prophet

Monsters Phandelver and Below: The Shattered Obelisk

Brain", "rollDamageType":"piercing"} piercing damage. If this damage reduces the target to 0 hit points, the mind flayer kills it by extracting and devouring its brain. Mind Whip (Recharge 5–6

of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 16): At will: detect magic, detect thoughts, levitate 1/day each: dominate

Qunbraxel

Monsters Phandelver and Below: The Shattered Obelisk

);{"diceNotation":"10d10", "rollType":"damage", "rollAction":"Extract Brain", "rollDamageType":"piercing"} piercing damage. If this damage reduces the target to 0 hit points, Qunbraxel kills it by extracting and

casts one of the following spells, requiring no spell components and using Charisma as the spellcasting ability (spell save DC 16): At will: detect magic, detect thoughts, levitate, mage armor (self only

Mind Flayer Lich (Illithilich) Legacy

Monsters Volo's Guide to Monsters

the following wizard spells prepared: Cantrips (at will): mage hand, prestidigitation, ray of frost 1st level (4 slots): detect magic, magic missile, shield, thunderwave 2nd level (3 slots): acid

arrow, detect thoughts, invisibility, mirror image 3rd level (3 slots): animate dead, counterspell, dispel magic, fireball 4th level (3 slots): blight, dimension door 5th level (3 slots): cloudkill

Adult Bronze Dragon Legacy

Monsters Basic Rules (2014)

action option can be used at a time and only at the end of another creature's turn. The dragon regains spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception

vault or nest for its eggs. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects: The dragon creates fog as though it

Adult Copper Dragon Legacy

Monsters Basic Rules (2014)

at a time and only at the end of another creature's turn. The dragon regains spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail Attack. The

treasure is hidden. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects: The dragon chooses a point on the ground that

Ancient Red Dragon Legacy

Monsters Basic Rules (2014)

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 dragon

Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row: Magma

Ancient Silver Dragon Legacy

Monsters Basic Rules (2014)

action option can be used at a time and only at the end of another creature's turn. The dragon regains spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception

dragon dreams of. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects: The dragon creates fog as if it had cast the

Arcturia

Monsters Waterdeep: Dungeon of the Mad Mage

the following wizard spells prepared: She can cast the alter self spell at will. Cantrips (at will): mage hand, prestidigitation, ray of frost 1st level (4 slots): detect magic, magic missile

, shield, thunderwave 2nd level (3 slots): detect thoughts, enlarge/reduce, Melf's acid arrow, mirror image 3rd level (3 slots): counterspell, dispel magic, fireball, slow 4th level (3 slots): blight

Drow Mother of Rebellion

Monsters Mordenkainen Presents: Monsters of the Multiverse

and using Charisma as the spellcasting ability (spell save DC 20): At will: command, dancing lights, detect magic, thaumaturgy 2/day each: banishment, blade barrier, cure wounds, hold person, plane

shift, silence 1/day each: clairvoyance, darkness, detect thoughts, dispel magic, faerie fire, gate, levitate (self only), suggestionThe drow can take 3 legendary actions, choosing from the options

D&D Beyond

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