matter set with only are for for leave

Forcecage

Spells Player’s Handbook

barrier that prevents any matter from passing through it and blocking any spells cast into or out from the area. When you cast the spell, any creature that is completely inside the cage’s area is

’t leave it by nonmagical means. If the creature tries to use teleportation or interplanar travel to leave, it must first make a Charisma saving throw. On a successful save, the creature can use

Fire Giant of Evil Fire

Monsters Bigby Presents: Glory of the Giants

gazes into flames too deeply may see the Prince of Evil Fire, Imix, gazing back. Giants who fall to Imix’s corruption might leave their homes to join with likeminded cultists, but others remain

within their communities to pursue Imix’s destructive agenda. A fire giant of Evil Fire forges a set of armor and weapons in flames blessed by Imix. The giant can then call on these magical flames

Miirym

Monsters Candlekeep Mysteries

Bound to Candlekeep. Miirym can’t leave Candlekeep and is immune to any effect that would place her in a location outside it, including an extradimensional space. If she dies, Miirym regains

Miirym fails a saving throw, she can choose to succeed instead. X-Ray Vision. Miirym can see through solid matter out to a range of 60 feet. To her, opaque creatures, objects, and obstacles within

Astral Dreadnought

Monsters Mordenkainen Presents: Monsters of the Multiverse

. The cone doesn’t function while the eye is closed or while the dreadnought is blinded. Astral Entity. The dreadnought can’t leave the Astral Plane, nor can it be banished or otherwise

Bite and Donjon Visit. A creature can leave the demiplane only by using magic that enables planar travel, such as the plane shift spell. The demiplane resembles a stone cave roughly 1,000 feet in

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

ooze, a noxious creature that doesn’t care about the plots and schemes of others of its kind. It exists only to consume, digesting and transforming living matter into more of itself. A true

the first time on a turn or ends its turn there, that creature must make the same save. The slime lasts for 1 hour or until it is burned away with fire. If the slime is set on fire, it burns away

Crown of Lies

Magic Items Vecna: Eve of Ruin

Dark Powers released Kas. From there, Kas set out to ruin his former master. Should Kas fail, the Dark Powers will reclaim him. The crown is made of burnished and entwined metal rods. To attune to it

matter what magical or mundane methods are used to try to detect your falsehoods. You are the recipient of Sending spells addressed to you and the creature you are disguised as, and Scrying and similar

Juiblex Legacy

Monsters Out of the Abyss

others of its kind. It exists only to consume, digesting and transforming living matter into more of itself. A true horror, Juiblex is a mass of bubbling slime, swirling black and green, with glaring

. If the slime is set on fire, it burns away after 1 round. Any creature that starts its turn in the burning slime takes 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollAction":"Burning Slime

Bavlorna Blightstraw

Monsters The Wild Beyond the Witchlight

moment, is all that matters.” Bond. “I’m safe in my cottage. Why should I leave it when I can make others come to me?" Flaw. “Watching someone run widdershins makes me sneeze

, biding their time until they could wrest the domain from her clutches. They waited until Iggwilv was lured away on an important matter to imbue Iggwilv's Cauldron with the ability to freeze time

Ancient Topaz Dragon