before beast decreases creatures return

Death Dog

Monsters Monster Manual

. First Failure: The target has the Poisoned condition. While Poisoned, the target’s Hit Point maximum doesn’t return to normal when finishing a Long Rest, and it repeats the save every 24 hours

that elapse, ending the effect on itself on a success. Subsequent Failures: The Poisoned target’s Hit Point maximum decreases by 5 (1d10);{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Bite"}.

Blue Slaad

Monsters Monster Manual

. Failure: The target is cursed. The cursed target can’t regain Hit Points, and its Hit Point maximum decreases by 10 (3d6);{"diceNotation":"3d6", "rollType":"roll", "rollAction":"Mutating Claw"} after

every 24 hours and doesn’t return to normal after finishing a Long Rest. If the curse reduces the target’s Hit Point maximum to 0, the curse ends, and instead of dying, the target

Mummy

Monsters Monster Manual

maximum doesn’t return to normal when finishing a Long Rest, and its Hit Point maximum decreases by 10 (3d6);{"diceNotation":"3d6", "rollType":"roll", "rollAction":"Rotting Fist"} every 24 hours

Otyugh

Monsters Monster Manual

Long Rest, it is subjected to the following effect. Constitution Saving Throw: DC 15. Failure: The target’s Hit Point maximum decreases by 5 (1d10);{"diceNotation":"1d10", "rollType":"roll

", "rollAction":"Bite"} and doesn’t return to normal until the Poisoned condition ends on the target. Success: The Poisoned condition ends. Tentacle. Melee Attack Roll: +6;{"diceNotation":"1d20+6

Specter

Monsters Monster Manual

Incorporeal Movement. The specter can move through other creatures and objects as if they were Difficult Terrain. It takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage", "rollAction

", "rollDamageType":"Necrotic"} Necrotic damage. If the target is a creature, its Hit Point maximum decreases by an amount equal to the damage taken.Necrotic, PoisonAcid, Bludgeoning, Cold, Fire, Lightning, Piercing, Slashing, Thunder

Gulthias Blight

Monsters Monster Manual

itself. After 24 hours, the seeds become creatures under the blight’s control. Roll 1d8;{"diceNotation":"1d8", "rollType":"roll", "rollAction":"Blight Seeds"} for each seed to determine the

", "rollType":"damage", "rollAction":"Life-Draining Root", "rollDamageType":"Necrotic"} Necrotic damage at the start of each of its turns. The target’s Hit Point maximum decreases by an amount equal to the Necrotic damage taken, and the blight regains Hit Points equal to that amount.Fire, Necrotic

Wraith

Monsters Monster Manual

Incorporeal Movement. The wraith can move through other creatures and objects as if they were Difficult Terrain. It takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage", "rollAction

Drain", "rollDamageType":"Necrotic"} Necrotic damage. If the target is a creature, its Hit Point maximum decreases by an amount equal to the damage taken. Create Specter. The wraith targets a

Wave

Magic Items Dungeon Master’s Guide

Held in the dungeon of White Plume Mountain, Wave is engraved with images of waves, shells, and sea creatures. You gain a +3 bonus to attack rolls and damage rolls made with this magic weapon. When

regains 1d3 expended charges daily at dawn. While you carry it, you can expend 1 charge to cast Dominate Beast (save DC 20) from it on a Beast that has a Swim Speed. Globe of Invulnerability. While

Water Elemental

Monsters Monster Manual

Freeze. If the elemental takes Cold damage, its Speed decreases by 20 feet until the end of its next turn. Water Form. The elemental can enter an enemy’s space and stop there. It can move

two Medium or smaller creatures at a time with Whelm. As an action, a creature within 5 feet of the elemental can pull a creature out of it by succeeding on a DC 14 Strength (Athletics) check. Success: Half damage only.PoisonAcid, Fire

Blink

Spells Player’s Handbook

affect and be affected only by other creatures on the Ethereal Plane, and creatures on the other plane can’t perceive you unless they have a special ability that lets them perceive things on the

Ethereal Plane. You return to the other plane at the start of your next turn and when the spell ends if you are on the Ethereal Plane. You return to an unoccupied space of your choice that you can see

Animal Shapes

Spells Player’s Handbook

Choose any number of willing creatures that you can see within range. Each target shape-shifting;shape-shifts into a Large or smaller Beast of your choice that has a Challenge Rating of 4 or lower

. You can choose a different form for each target. On later turns, you can take a Magic action to transform the targets again. A target’s game statistics are replaced by the chosen Beast’s

Couatl

Monsters Monster Manual

Shielded Mind. The couatl’s thoughts can’t be read by any means, and other creatures can communicate with it telepathically only if it allows them.Bite. Melee Attack Roll: +7

save DC 15): At Will: Detect Evil and Good, Detect Magic, Detect Thoughts, Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no Concentration or Temporary

Etherealness

Spells Player’s Handbook

Ethereal Plane, you can affect and be affected only by creatures, objects, and effects on that plane. Creatures that aren’t on the Ethereal Plane can’t perceive or interact with you

unless a feature gives them the ability to do so. When the spell ends, you return to the plane you left in the spot that corresponds to your space in the Border Ethereal. If you appear in an occupied

Magic Jar

Spells Player’s Handbook

returning to your living body (and ending the spell) or attempting to possess a Humanoid’s body. You can attempt to possess any Humanoid within 100 feet of you that you can see (creatures warded

take a Magic action to return from the host body to the container if it is within 100 feet of you, returning the host creature’s soul to its body. If the host body dies while you’re in it

Vampire

Monsters Monster Manual

, the vampire uses Shape-Shift to become mist (no action required). If it can’t use Shape-Shift, it is destroyed. While it has 0 Hit Points in mist form, it can’t return to its vampire form

", "rollAction":"Bite", "rollDamageType":"Necrotic"} Necrotic damage. The target’s Hit Point maximum decreases by an amount equal to the Necrotic damage taken, and the vampire regains Hit Points

Death Knight

Monsters Monster Manual

magical effects. Marshal Undead. Undead creatures of the death knight’s choice (excluding itself) in a 60-foot Emanation originating from it have Advantage on attack rolls and saving throws. It

the target’s Hit Point maximum decreases by an amount equal to the damage taken. Failure or Success: The death knight can’t take this action again until the start of its next turn. Lunge. The death knight moves up to half its Speed, and it makes one Dread Blade attack.Necrotic, Poison

Demilich

Monsters Monster Manual

Throw: DC 19, one creature the demilich can see within 120 feet. Failure: The target’s Hit Point maximum decreases by 14 (4d6);{"diceNotation":"4d6", "rollType":"roll", "rollAction":"Energy Drain

finishes a Long Rest outside that area. Travel Ward. Creatures can’t use teleportation or planar travel to enter or exit the lair. If the demilich dies or moves its lair elsewhere, these effects end immediately.Necrotic, Poison, PsychicBludgeoning, Piercing, Slashing

Simulacrum

Spells Player’s Handbook

You create a simulacrum of one Beast or Humanoid that is within 10 feet of you for the entire casting of the spell. You finish the casting by touching both the creature and a pile of ice or snow that

, its Hit Point maximum is half as much, and it can’t cast this spell. The simulacrum is Friendly to you and creatures you designate. It obeys your commands and acts on your turn in combat. The

Figurine of Wondrous Power

Magic Items Dungeon Master’s Guide

a living creature specified in the figurine’s description below. If the space where the creature would appear is occupied by other creatures or objects, or if there isn’t enough space for

) for up to 12 hours and can be ridden as a mount. Once it has been used, it can’t be used again until 2 days have passed. Giant Fly Large Beast, Unaligned AC 11 Initiative +1 (11) HP 19

Vampire Umbral Lord

Monsters Monster Manual

and any creatures of its choice are unaffected by the fog. If the vampire dies or moves its lair elsewhere, these effects end immediately.Cold, NecroticSanguine Drain. Constitution Saving Throw: DC 18

", "rollDamageType":"Necrotic"} Necrotic damage. The target’s Hit Point maximum decreases by an amount equal to the damage taken, and the vampire regains Hit Points equal to that amount.

Arch-hag

Monsters Monster Manual

). Otherwise, the hag drops to 1 Hit Point and teleports to a harmless demiplane, and it can’t return to the plane it left for 2d6;{"diceNotation":"2d6", "rollType":"roll", "rollAction":"Spiteful

lairs frequently change or exhibit bewildering features. The region containing an arch-hag’s lair is altered by its presence, creating the following effects: Lapsus Linguae. Creatures

Wish

Spells Player’s Handbook

space that you can see on the ground. Instant Health. You allow yourself and up to twenty creatures that you can see to regain all Hit Points, and you end all effects on them listed in the Greater

Restoration spell. Resistance. You grant up to ten creatures that you can see Resistance to one damage type that you choose. This Resistance is permanent. Spell Immunity. You grant up to ten

Deck of Many Things

Magic Items Dungeon Master’s Guide

effect. Comet. The next time you enter combat against one or more Hostile creatures, you can select one of them as your foe when you roll Initiative. If you reduce your foe to 0 Hit Points during that

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

Cultist of Demogorgon

Monsters Stranger Things: Welcome to the Hellfire Club

interpretations of ancient prophecies. They might worship supernatural patrons—deities, otherworldly creatures, manipulative alien minds, or stranger forces. Some cultists devote themselves to

Demogorgon, the self-proclaimed Prince of Demons. These cultists garb themselves in costumes that resemble the two-headed beast they worship. Their two-faced, monstrous masks and tentacled sleeves

Boon of Fluid Forms

Feats Forgotten Realms: Heroes of Faerûn

can take a Magic action to shape-shift into a Beast, Humanoid, or Monstrosity with a Challenge Rating no higher than 10. When you shape-shift, you gain a number of Temporary Hit Points equal to the

Hit Points of the form. The shape-shifting effect lasts for 1 hour, and it ends early if you have no Temporary Hit Points left or if you take a Magic action to return to your true form. Your game

Vampire Infernalist

Monsters Astarion's Book of Hungers

, the vampire uses Shape-Shift to become mist (no action required). If it can’t use Shape-Shift, it is destroyed. While it has 0 Hit Points in mist form, it can’t return to its vampire form

(if any). The target’s Hit Point maximum decreases by an amount equal to the Necrotic damage taken, and the vampire regains Hit Points equal to that amount. A Humanoid reduced to 0 Hit Points by

Swanmay