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Returning 35 results for 'measures side with only action fails for long'.
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Magic Items
Dungeon Master’s Guide
This hollow metal tube measures about 1 foot long and weighs 1 pound. As a Magic action, you can strike the chime to cast Knock. The spell’s customary knocking sound is replaced by the clear
Equipment
String is 10 feet long. You can tie a knot in it as a Utilize action.
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.
Unknown Spell. As a Magic action, you can try to cast a cantrip that you don’t know. The cantrip must be on the Wizard spell list and have a casting time of an action, and you make a DC 10
Spells
Player’s Handbook
You create a wall of fire on a solid surface within range. You can make the wall up to 60 feet long, 20 feet high, and 1 foot thick, or a ringed wall up to 20 feet in diameter, 20 feet high, and 1
damage on a successful one.
One side of the wall, selected by you when you cast this spell, deals 5d8 Fire damage to each creature that ends its turn within 10 feet of that side or inside the wall. A
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.
amulet as a Spellcasting Focus for your Warlock spells.
Unknown Spell. As a Magic action, you can try to cast a cantrip that you don’t know. The cantrip must be on the Warlock spell list and have
Spells
Player’s Handbook
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
linked to planes determined by the DM.
The cube has 3 charges and regains 1d3 expended charges daily at dawn. As a Magic action, you can expend 1 of the cube’s charges to cast one of the
following spells using the cube.
Gate. Pressing one side of the cube, you cast Gate, opening a portal to the plane of existence keyed to that side.
Plane Shift. Pressing one side of the cube twice, you cast Plane Shift, transporting the targets to the plane of existence keyed to that side.
Magic Items
Dungeon Master’s Guide
This gold coin has a creature embossed on each side. The two depicted creatures must be famous rivals or enemies of each other. For example, a Rival Coin might show Iggwilv the Witch Queen;Iggwilv on
one side and Mordenkainen on the other, or Venger on one side and Tiamat on the other. One of these figures is on the “heads” side of the coin, the other on the “tails” side
Magic Items
Dungeon Master’s Guide
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
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
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
Equipment
Injury Poison
A creature subjected to Lolth’s Sting must succeed on a DC 13 Constitution saving throw or have the Poisoned condition for 1 hour. If the creature fails the save by 5 or more
, the creature also has the Unconscious condition while Poisoned in this way. The creature wakes up if it takes damage or if another creature takes an action to shake it awake.
Magic Items
Dungeon Master’s Guide
This object appears as a wooden box that measures 12 inches long, 6 inches wide, and 6 inches deep. It weighs 4 pounds and floats. It can be opened to store items inside. This item also has three
command words, each requiring a Magic action to use:
First Command Word. The box unfolds into a Rowboat.
Second Command Word. The box unfolds into a Keelboat.
Third Command Word. The Folding Boat
Monsters
Monster Manual
Legendary Resistance (3/Day, or 4/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes three Rend attacks. It can replace one attack with a
damage.
Lightning Breath (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Lightning Breath"}. Dexterity Saving Throw: DC 19, each creature in a 90-foot-long, 5-foot-wide
Monsters
Monster Manual
Legendary Resistance (4/Day, or 5/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes three Rend attacks. It can replace one attack with a
-long, 10-foot-wide Line. Failure: 88 (16d10);{"diceNotation":"16d10", "rollType":"damage", "rollAction":"lightning breath", "rollDamageType":"Lightning"} Lightning damage. Success: Half damage
Magic Items
Dungeon Master’s Guide
at dawn.
Coven Sensor. The Hag Eye is usually entrusted to a hag’s minion for safekeeping and transport. As a Magic action, a hag who belongs to the coven that created the Hag Eye can see what
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
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
This robe has cloth patches of various shapes and colors covering it. While wearing the robe, you can take a Magic action to detach one of the patches, causing it to become the object or creature it
Spells
Player’s Handbook
Until the spell ends, you control any water inside an area you choose that is a Cube up to 100 feet on a side, using one of the following effects. As a Magic action on your later turns, you can
instead create a 20-foot tall wave that travels from one side of the area to the other and then crashes. Any Huge or smaller vehicles in the wave’s path are carried with it to the other side. Any
Monsters
Monster Manual
Legendary Resistance (4/Day, or 5/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes three Rend attacks. It can replace one attack with a
90-foot-long, 10-foot-wide Line. Failure: 63 (14d8);{"diceNotation":"14d8", "rollType":"damage", "rollAction":"acid breath", "rollDamageType":"Acid"} Acid damage. Success: Half damage.
Slowing Breath
Magic Items
Dungeon Master’s Guide
go underwater to a depth of 900 feet. Below that, the vehicle takes 2d6 Bludgeoning damage each minute from pressure.
A creature in the compartment can take a Utilize action to move as many as two of
unable to benefit from bonuses to speed.
2
Forward window shutter opens.
Forward window shutter closes.
3
Side window shutters open (two per side).
Side window shutters close (two per
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.
Monsters
Monster Manual
this action again until the start of its next turn.
Cold Gale. Dexterity Saving Throw: DC 19, each creature in a 60-foot-long, 10-foot-wide Line. Failure: 14 (4d6);{"diceNotation":"4d6", "rollType
Legendary Resistance (3/Day, or 4/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes three Rend attacks. It can replace one attack with a
Monsters
Monster Manual
uses Spellcasting to cast Hold Monster. The dragon can’t take this action again until the start of its next turn.
Cold Gale. Dexterity Saving Throw: DC 23, each creature in a 60-foot-long, 10
Legendary Resistance (4/Day, or 5/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes three Rend attacks. It can replace one attack with a
Monsters
Monster Manual
Legendary Resistance (3/Day, or 4/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes three Rend attacks. It can replace one attack with a
60-foot-long, 5-foot-wide Line. Failure: 54 (12d8);{"diceNotation":"12d8", "rollType":"damage", "rollAction":"Acid Breath", "rollDamageType":"Acid"} Acid damage. Success: Half damage.
Slowing Breath
Monsters
Monster Manual
Immutable Form. The colossus can’t shape-shift.
Legendary Resistance (4/Day). If the colossus fails a saving throw, it can choose to succeed instead.
Magic Resistance. The colossus has
"}. Dexterity Saving Throw: DC 26, each creature in a 300-foot-long, 10-foot-wide Line. Failure: 65 (10d12);{"diceNotation":"10d12", "rollType":"damage", "rollAction":"Divine Beam", "rollDamageType
Equipment
The double-bladed scimitar is the signature weapon of Valenar elves. A haft of fine wood supports a long, curving blade on either end. Forged with techniques honed over centuries, these blades are
to prove they’re worthy to wield it.
Special. If you attack with a double-bladed scimitar as part of the Attack action on your turn, you can use a bonus action immediately after to make a melee attack with it. This attack deals 1d4 slashing damage on a hit, instead of 2d4.
Monsters
Monster Manual
Amphibious. The dragon can breathe air and water.
Legendary Resistance (3/Day, or 4/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes
Throw: DC 18, each creature in a 60-foot-long, 5-foot-wide Line. Failure: 54 (12d8);{"diceNotation":"12d8", "rollType":"damage", "rollAction":"Acid Breath", "rollDamageType":"Acid"} Acid damage. Success
Monsters
Monster Manual
Legendary Resistance (3/Day, or 4/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes three Rend attacks. It can replace one attack with a
", "rollDamageType":"Fire"} Fire damage.
Fire Breath (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Fire Breath"}. Dexterity Saving Throw: DC 18, each creature in a 60-foot-long, 5
Monsters
Monster Manual
Amphibious. The dragon can breathe air and water.
Legendary Resistance (3/Day, or 5/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes
Throw: DC 22, each creature in a 90-foot-long, 10-foot-wide Line. Failure: 67 (15d8);{"diceNotation":"15d8", "rollType":"damage", "rollAction":"Acid Breath", "rollDamageType":"Acid"} Acid damage
Magic Items
Dungeon Master’s Guide
These pipes have 3 charges and regain 1d3 expended charges daily at dawn. You can take a Magic action to play them and expend 1 charge to create an eerie, spellbinding tune. Each creature of your
choice within 30 feet of you must succeed on a DC 15 Wisdom saving throw or have the Frightened condition for 1 minute. A creature that fails the save repeats it at the end of each of its turns, ending
Monsters
Monster Manual
Legendary Resistance (4/Day, or 5/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes three Rend attacks. It can replace one attack with a
90-foot-long, 5-foot-wide Line. Failure: 58 (13d8);{"diceNotation":"13d8", "rollType":"damage", "rollAction":"Fire Breath", "rollDamageType":"Fire"} Fire damage. Success: Half damage.
Sleep Breath
Magic Items
Dungeon Master’s Guide
This rusty iron sphere measures 3 inches in diameter and weighs 1 pound. You can take a Magic action to throw the sphere at a Huge or smaller creature you can see within 60 feet of yourself. As the
has the Restrained condition until you take a Bonus Action to issue a command that releases it. Doing so or missing with the attack causes the bands to contract and become a sphere once more.
A
Monsters
Monster Manual
Legendary Resistance (3/Day, or 4/Day in Lair). If the demilich fails a saving throw, it can choose to succeed instead.
Undead Restoration. If the demilich is destroyed, it reforms and regains all
":"Psychic"} Psychic damage. Failure or Success: The target has the Frightened condition until the start of the demilich’s next turn.Legendary Action Uses: 3 (4 in Lair). Immediately after another
Magic Items
Dungeon Master’s Guide
This backpack has a central pouch and two side pouches, each of which is an extradimensional space. Each side pouch can hold up to 200 pounds of material, not exceeding a volume of 25 cubic feet. The
requires a Utilize action or a Bonus Action (your choice). When you reach into the haversack for a specific item, the item is always magically on top.
If any of its pouches is overloaded, pierced, or
Monsters
Monster Manual
Influence action.
Meddlesome Magic. Whenever a creature other than the hag or its allies finishes a Long Rest while within 1 mile of the lair, the next time that creature casts a spell using a spell slot
Intelligence as the spellcasting ability (spell save DC 19): Augury, Find Familiar, Identify,Locate Object, Scrying, or Unseen Servant. The hag must finish a Long Rest before using this trait to cast
Magic Items
Dungeon Master’s Guide
This small black sphere measures 3/4 of an inch in diameter and weighs an ounce. Typically, 1d4 + 4 Beads of Force are found together.
You can take a Magic action to throw the bead up to 60 feet
enclosed creature can take a Utilize action to push against the sphere’s wall, moving the sphere up to half the creature’s Speed. The sphere can be picked up, and its magic causes it to weigh only 1 pound, regardless of the weight of creatures inside.






