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Returning 35 results for 'much space with open above fails for long'.
Magic Items
Dungeon Master’s Guide
disappears when it drops to 0 Hit Points. If the titan is summoned into a space that isn’t large enough to contain it, the summoning fails, and the scroll is wasted.
1d100
Titan
01-15
When you take a Magic action to read this scroll, a particular titan named in the scroll appears in an unoccupied space on the ground or in water that you can see within 1 mile of yourself. The DM
Magic Items
Dungeon Master’s Guide
place it on or against a solid surface, whereupon the Portable Hole creates an extradimensional hole 10 feet deep. The cylindrical space within the hole exists on a different plane of existence, so it
can’t be used to create open passages. Any creature inside an open Portable Hole can exit the hole by climbing out of it.
You can take a Magic action to close a Portable Hole by taking hold of
Spells
Player’s Handbook
You create linked teleportation portals. Choose two Large, unoccupied spaces on the ground that you can see, one space within range and the other one within 10 feet of you. A circular portal opens in
portal is open on only one side (you choose which). Anything entering the open side of a portal exits from the open side of the other portal as if the two were adjacent to each other. As a Bonus Action, you can change the facing of the open sides.
Magic Items
Dungeon Master’s Guide
Intelligence (Arcana) check. On a successful check, you cast the spell. On a failed check, the spell fails, and the action used to cast the spell is wasted. In either case, you can’t use this property again until you finish a Long Rest.
Spells
Player’s Handbook
Dexterity saving throw, taking 6d10 Force damage on a failed save or half as much damage on a successful one. A creature also makes that save if it enters the wall’s space or ends it turn there. A creature makes that save only once per turn.
You create a wall of whirling blades made of magical energy. The wall appears within range and lasts for the duration. You make a straight wall up to 100 feet long, 20 feet high, and 5 feet thick, or
Spells
Player’s Handbook
A wall of water springs into existence at a point you choose within range. You can make the wall up to 300 feet long, 300 feet high, and 50 feet thick. The wall lasts for the duration.
When the wall
appears, each creature in its area makes a Strength saving throw, taking 6d10 Bludgeoning damage on a failed save or half as much damage on a successful one.
At the start of each of your turns after
Spells
Player’s Handbook
Passwall spell, or another spell of equal or greater level that can open a portal on a solid surface, destroys this layer.
5
Blue. Failed Save: 12d6 Cold damage. Successful Save: Half as much
A shimmering, multicolored plane of light forms a vertical opaque wall—up to 90 feet long, 30 feet high, and 1 inch thick—centered on a point within range. Alternatively, you shape the
Spells
Player’s Handbook
cast the spell can enter the extradimensional dwelling as long as the door remains open. You can open or close it (no action required) if you are within 30 feet of it. While closed, the door is
objects left inside the extradimensional space are expelled into the unoccupied spaces nearest to the entrance.
Magic Items
Dungeon Master’s Guide
This item functions as a Pole. While holding it, you can take a Magic action to collapse it into a 1-foot-long rod for ease of storage (the pole’s weight doesn’t change) or cause the 1-foot-long rod to revert to a Pole. The rod elongates only as far as the surrounding space allows.
Magic Items
Dungeon Master’s Guide
an unoccupied space you can see within 120 feet of yourself. The spheres last as long as you maintain Concentration, up to 1 minute. Each sphere sheds Dim Light in a 30-foot radius.
As a Bonus Action
spheres you created, as shown in the following table. On a successful save, the creature takes half as much damage.
Number of Spheres
Lightning Damage
1
4d12
2
5d4
3
2d6
Spells
Player’s Handbook
You magically sense the most direct physical route to a location you name. You must be familiar with the location, and the spell fails if you name a destination on another plane of existence, a
moving destination (such as a mobile fortress), or an unspecific destination (such as “a green dragon’s lair”).
For the duration, as long as you are on the same plane of existence as the
Monsters
Monster Manual
success. When the target escapes, it appears in the space it left or, if that space is occupied, the nearest unoccupied space.
If the target fails three of these saves while in the demiplane, it
Points or when the arcanaloth dies. If the tome is destroyed, the arcanaloth can create a new one when it finishes a Short or Long Rest.Multiattack. The arcanaloth makes three Fiendish Burst attacks
Magic Items
Dungeon Master’s Guide
This Tiny cube looks like a jack-in-the-box. When you wind its crank as a Magic action, a merry tune emits from the box, the lid pops open, a creature appears in the nearest unoccupied space, and the
Magic Items
Dungeon Master’s Guide
a casting time of an action, and you make a DC 10 Intelligence (Arcana) check. On a successful check, you cast the spell. On a failed check, the spell fails, and the action used to cast it is wasted. In either case, you can’t use this property again until you finish a Long Rest.
Spells
Player’s Handbook
you when you teleport, and it teleports to a space within 5 feet of your destination space.
If you, the other creature, or both would arrive in a space occupied by a creature or completely filled by
one or more objects, you and any creature traveling with you each take 4d6 Force damage, and the teleportation fails.
Spells
Player’s Handbook
A stroke of lightning forming a 100-foot-long, 5-foot-wide Line blasts out from you in a direction you choose. Each creature in the Line makes a Dexterity saving throw, taking 8d6 Lightning damage on
a failed save or half as much damage on a successful one.
Using a Higher-Level Spell Slot. The damage increases by 1d6 for each spell slot level above 3.
Spells
Player’s Handbook
A Large spectral guardian appears and hovers for the duration in an unoccupied space that you can see within range. The guardian occupies that space and is invulnerable, and it appears in a form
appropriate for your deity or pantheon.
Any enemy that moves to a space within 10 feet of the guardian for the first time on a turn or starts its turn there makes a Dexterity saving throw, taking 20
Monsters
Monster Manual
Haunted Zone. Constitution Saving Throw: DC 17, any creature that casts a spell while inside the revenant’s space. Failure: The spell fails and is wasted.
Undead Restoration. If the revenant
: +9;{"diceNotation":"1d20+9", "rollType":"to hit", "rollAction":"Object Slam"} (with Advantage if the target is inside the revenant’s space), reach 10 ft. or range 30/90 ft. Hit: 27 (5d8 + 5
Magic Items
Dungeon Master’s Guide
This rope is 30 feet long. While holding one end of the rope, you can take a Magic action to command the other end to dart forward and entangle one creature you can see within 20 feet of yourself
’s space) or by using a Bonus Action to repeat the command (causing the rope to coil up in your hand).
A target Restrained by the rope can take an action to make its choice of a DC 15 Strength
Spells
Player’s Handbook
A creature that you can see within range makes a Constitution saving throw, taking 8d8 Necrotic damage on a failed save or half as much damage on a successful one. A Plant creature automatically
fails the save.
Alternatively, target a nonmagical plant that isn’t a creature, such as a tree or shrub. It doesn’t make a save; it simply withers and dies.
Using a Higher-Level Spell Slot. The damage increases by 1d8 for each spell slot level above 4.
Spells
Player’s Handbook
integral for its survival—its head, for instance—the spell automatically fails.
Coming back from the dead is an ordeal. The target takes a −4 penalty to D20 Test;D20 Tests. Every time the target finishes a Long Rest, the penalty is reduced by 1 until it becomes 0.
Spells
Player’s Handbook
You create a wall of tangled brush bristling with needle-sharp thorns. The wall appears within range on a solid surface and lasts for the duration. You choose to make the wall up to 60 feet long, 10
Dexterity saving throw, taking 7d8 Piercing damage on a failed save or half as much damage on a successful one.
A creature can move through the wall, albeit slowly and painfully. For every 1 foot a
Monsters
Monster Manual
Legendary Resistance (3/Day, or 4/Day in Lair). If the mummy fails a saving throw, it can choose to succeed instead.
Magic Resistance. The mummy has Advantage on saving throws against spells and
other magical effects.
Undead Restoration. If destroyed, the mummy gains a new body in 24 hours if its heart is intact, reviving with all its Hit Points. The new body appears in an unoccupied space
Magic Items
Dungeon Master’s Guide
the Hag Eye sees if the hag and the Hag Eye are on the same plane of existence. This effect lasts as long as the hag maintains Concentration. Multiple hags in the coven can see through the Hag Eye
the Incapacitated condition. If the hags take any other actions during this rite, the rite fails and ends.
Magic Items
Dungeon Master’s Guide
100 GP
09–15
Silver coffer (1 foot long, 6 inches wide and deep) worth 500 GP
16–22
Iron door (up to 10 feet wide and 10 feet high, barred on one side of your choice), which
you can place in an opening you can reach; it conforms to fit the opening, attaching and hinging itself
23–30
10 gems worth 100 GP each
31–44
Wooden ladder (24 feet long
Monsters
Monster Manual
taking an action to make a DC 12 Strength (Athletics) check. On a successful check, the target escapes and enters the nearest unoccupied space. Success: Half damage, and the target moves to an unoccupied space within 5 feet of the cube. If there is no unoccupied space, the target fails the save instead.Acid
Ooze Cube. The cube fills its entire space and is transparent. Other creatures can enter that space, but a creature that does so is subjected to the cube’s Engulf and has Disadvantage on the
Magic Items
Dungeon Master’s Guide
, and attacks you.
91–95
A vertical, 10-foot-diameter, two-way portal to another plane of existence opens in an unoccupied space within 30 feet of you and remains open until the end of your
its normal casting time, and you can’t use this property again until you finish a Short or Long Rest. On a failed check, you fail to cast the spell and a random effect occurs instead
Feats
Player’s Handbook
another creature within 60 feet of you succeeds on or fails a D20 Test, you can roll 2d4 and apply the total rolled as a bonus or penalty to the d20 roll. Once you use this benefit, you can’t use it again until you roll Initiative or finish a Short or Long Rest.
Spells
Player’s Handbook
Prismatic Rays table.
Prismatic Rays
1d8
Ray
1
Red. Failed Save: 12d6 Fire damage. Successful Save: Half as much damage.
2
Orange. Failed Save: 12d6 Acid damage. Successful Save
: Half as much damage.
3
Yellow. Failed Save: 12d6 Lightning damage. Successful Save: Half as much damage.
4
Green. Failed Save: 12d6 Poison damage. Successful Save: Half as much damage
Magic Items
Dungeon Master’s Guide
. If the ring can’t hold the spell, the spell is expended without effect. The level of the slot used to cast the spell determines how much space it uses.
While wearing this ring, you can cast any
spell stored in it. The spell uses the slot level, spell save DC, spell attack bonus, and spellcasting ability of the original caster but is otherwise treated as if you cast the spell. The spell cast from the ring is no longer stored in it, freeing up space.
Monsters
Monster Manual
Amorphous. The ooze can move through a space as narrow as 1 inch without expending extra movement to do so.Pseudopod. Melee Attack Roll: +3;{"diceNotation":"1d20+3", "rollType":"to hit", "rollAction
", "rollType":"damage", "rollAction":"Psychic Crush", "rollDamageType":"Psychic"} Psychic damage.Mind Corrosion. Trigger: The ooze fails a saving throw against a spell or another magical effect created by
Magic Items
Dungeon Master’s Guide
Each of the quiver’s three compartments connects to an extradimensional space that allows the quiver to hold numerous items while never weighing more than 2 pounds. The shortest compartment can
hold up to 60 Arrows, Bolts, or similar objects. The midsize compartment holds up to 18 Javelin;Javelins or similar objects. The longest compartment holds up to 6 long objects, such as bows
Spells
Player’s Handbook
A wall of strong wind rises from the ground at a point you choose within range. You can make the wall up to 50 feet long, 15 feet high, and 1 foot thick. You can shape the wall in any way you choose
so long as it makes one continuous path along the ground. The wall lasts for the duration.
When the wall appears, each creature in its area makes a Strength saving throw, taking 4d8 Bludgeoning
Spells
Player’s Handbook
the Prone condition, and its Concentration is broken.
You can also cause the effects below.
Fissures. A total of 1d6 fissures open in the spell’s area at the end of the turn you cast it. You
edge. A creature in the same space as a fissure must succeed on a Dexterity saving throw or fall in. A creature that successfully saves moves with the fissure’s edge as it opens.
Structures
Magic Items
Dungeon Master’s Guide
) or a 10-foot pole, or reverting it a Quarterstaff; the weapon will elongate only as far as the surrounding space allows.
In certain forms, the weapon has the following additional properties
you. You can’t use this property again until you finish a Short or Long Rest.
Ranged Weapon (Quarterstaff Form Only). This weapon has the Thrown property with a normal range of 30 feet and a