details inside are beast

Intellect Devourer

Monsters Monster Manual

condition, is a Humanoid or Beast, and has 10 Hit Points or fewer. Failure: The intellect devourer possesses the target, consumes its brain, and teleports inside its skull. While there, the intellect

Giant Insect

Spells Player’s Handbook

determines certain details in its stat block. The creature disappears when it drops to 0 Hit Points or when the spell ends. The creature is an ally to you and your allies. In combat, the creature

its movement to avoid danger. Using a Higher-Level Spell Slot. Use the spell slot’s level for the spell’s level in the stat block. Giant Insect Large Beast, Unaligned AC 11 + the spell

Summon Beast

Spells Player’s Handbook

, or Water. The creature resembles an animal of your choice that is native to the chosen environment, which determines certain details in its stat block. The creature disappears when it drops to 0 Hit

for the spell’s level in the stat block. Bestial Spirit Small Beast, Neutral AC 11 + the spell’s level HP 20 (Air only) or 30 (Land and Water only) + 5 for each spell level above 2

Summon Undead

Spells Player’s Handbook

: Ghostly, Putrid, or Skeletal. The spirit resembles an Undead creature with the chosen form, which determines certain details in its stat block. The creature disappears when it drops to 0 Hit Points or

. Incorporeal Passage (Ghostly Only). The spirit can move through other creatures and objects as if they were Difficult Terrain. If it ends its turn inside an object, it is shunted to the nearest unoccupied

Ghostblade Eidolon

Monsters Mythic Odysseys of Theros

they were difficult terrain. It takes 5 (1d10);{"diceNotation":"1d10","rollType":"damage","rollAction":"Incorporeal Movement","rollDamageType":"force"} force damage if it ends its turn inside an object

identity in order to escape the Underworld as a Returned, its identity manifests as a spirit-like eidolon. While eidolons possess many of the skills and details related to their past lives, they're

Mantrap

Monsters Tomb of Annihilation

","rollAction":"Engulf"} to hit, reach 5 ft., one Medium or smaller creature. Hit: The target is trapped inside the mantrap’s leafy jaws. While trapped in this way, the target is blinded and restrained, has

each of the target’s turns. If the mantrap dies, the creature inside it is no longer restrained by it. A mantrap can engulf only one creature at a time.Attractive Pollen (1/Day). When the

Flitterstep Eidolon

Monsters Mythic Odysseys of Theros

":"Incorporeal Movement","rollDamageType":"force"} force damage if it ends its turn inside an object. Turn Resistance. The eidolon has advantage on saving throws against any effect that turns undead.Multiattack

eidolons possess many of the skills and details related to their past lives, they’re disconnected from those experiences, choosing to wander the world or brood in haunts they’re drawn to in

Dybbuk

Monsters Mordenkainen Presents: Monsters of the Multiverse

":"Incorporeal Movement", "rollDamageType":"force"} force damage if it ends its turn inside an object. Magic Resistance. The dybbuk has advantage on saving throws against spells and other magical

", "rollType":"recharge", "rollAction":"Possess Corpse"}. The dybbuk disappears into an intact corpse within 5 feet of it that belonged to a Large or smaller Beast or Humanoid. The dybbuk gains 20 temporary hit

Mighty Servant of Leuk-o

Magic Items Tasha’s Cauldron of Everything

conjecture than fact, often referring to otherworldly beings, the mysterious Barrier Peaks in Oerth, and the supposedly related device known as the Machine of Lum the Mad. The best details on the device

attuned to the artifact. Attuning to the artifact requires two hours, which can be undertaken as part of a long rest, during which time you must be inside the servant, interacting with its controls

Meenlock

Monsters Mordenkainen Presents: Monsters of the Multiverse

Fear Aura. Any Beast or Humanoid that starts its turn within 10 feet of the meenlock must succeed on a DC 11 Wisdom saving throw or be frightened until the start of the creature’s next turn

, twisting tunnels open up within it. One of these passageways serves as the lair’s only entrance, and a large central chamber serves as the meenlocks’ den. Inside the warren, black moss

Unspeakable Horror (Malleable Mass)