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Returning 35 results for 'square half'.
Spells
Player’s Handbook
’s elevation, create or fill in a trench, erect or flatten a wall, or form a pillar. The extent of any such changes can’t exceed half the area’s largest dimension. For example, if you
affect a 40-foot square, you can create a pillar up to 20 feet high, raise or lower the square’s elevation by up to 20 feet, dig a trench up to 20 feet deep, and so on. It takes 10 minutes for
Magic Items
Dungeon Master’s Guide
This heavy cloth bag contains 3d4 dry beans when found. The bag weighs half a pound regardless of how many beans it contains and becomes a nonmagical item when it no longer contains any beans.
If
, makes a DC 15 Dexterity saving throw, taking 5d4 Force damage on a failed save or half as much damage on a successful one.
If you remove a bean from the bag, plant it in dirt or sand, and then water
Spells
Player’s Handbook
-square panels. Each panel must be contiguous with another panel. In any form, the wall is 1 foot thick and lasts for the duration.
If the wall cuts through a creature’s space when it appears
, the creature is pushed to one side of the wall (you choose which side) and makes a Dexterity saving throw, taking 10d6 Cold damage on a failed save or half as much damage on a successful one.
The wall
Spells
Player’s Handbook
chose until the spell ends or you choose a different effect.
Whirlpool. You cause a whirlpool to form in the center of the area, which must be at least 50 feet square and 25 feet deep. The whirlpool
takes 2d8 Bludgeoning damage. On a successful save, the creature takes half as much damage. A creature can swim away from the whirlpool only if it first takes an action to pull away and succeeds on a Strength (Athletics) check against your spell save DC.
Ball Bearings (bag of 1,000)
Legacy
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Equipment
As an action, you can spill these tiny metal balls from their pouch to cover a level, square area that is 10 feet on a side. A creature moving across the covered area must succeed on a DC 10
Dexterity saving throw or fall prone. A creature moving through the area at half speed doesn't need to make the save.
Caltrops (bag of 20)
Legacy
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Equipment
As an action, you can spread a bag of caltrops to cover a square area that is 5 feet on a side. Any creature that enters the area must succeed on a DC 15 Dexterity saving throw or stop moving this
turn and take 1 piercing damage. Taking this damage reduces the creature's walking speed by 10 feet until the creature regains at least 1 hit point. A creature moving through the area at half speed doesn't need to make the save.
Kobold Inventor
Legacy
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Monsters
Volo's Guide to Monsters
flames.
Basket of Centipedes. The kobold throws a small basket into a 5-foot-square space within 20 feet of it. A swarm of insects (centipedes) with 11 hit points emerges from the basket and rolls
. Hit: The target is covered in a patch of green slime. Miss: A patch of green slime covers a randomly determined 5-foot-square section of wall or floor within 5 feet of the target.
Rot Grub Pot. The
Monsters
Mordenkainen Presents: Monsters of the Multiverse
turns. The target can end this damage by using its action to make a DC 10 Dexterity check to extinguish the flames.
Basket of Centipedes. The kobold throws a small basket into a 5-foot-square space
","rollAction":"Green Slime Pot","rollDamageType":"acid"} acid damage at the start of each of its turns.
Rot Grub Pot. The kobold throws a clay pot into a 5-foot-square space within 20 feet of it, and it
Move Earth
Legacy
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Spells
Basic Rules (2014)
’s elevation, create or fill in a trench, erect or flatten a wall, or form a pillar. The extent of any such changes can’t exceed half the area’s largest dimension. So, if you affect a 40
-foot square, you can create a pillar up to 20 feet high, raise or lower the square’s elevation by up to 20 feet, dig a trench up to 20 feet deep, and so on. It takes 10 minutes for these
Instant Fortress
Legacy
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Magic Items
Basic Rules (2014)
that dismisses it, which works only if the fortress is empty.
The fortress is a square tower, 20 feet on a side and 30 feet high, with arrow slits on all sides and a battlement atop it. Its interior
fortress appears must make a DC 15 Dexterity saving throw, taking 10d10 bludgeoning damage on a failed save, or half as much damage on a successful one. In either case, the creature is pushed to an
Daern's Instant Fortress
Legacy
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Magic Items
Dungeon Master’s Guide (2014)
that dismisses it, which works only if the fortress is empty.
The fortress is a square tower, 20 feet on a side and 30 feet high, with arrow slits on all sides and a battlement atop it. Its interior
fortress appears must make a DC 15 Dexterity saving throw, taking 10d10 bludgeoning damage on a failed save, or half as much damage on a successful one. In either case, the creature is pushed to an
Wall of Ice
Legacy
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Spells
Basic Rules (2014)
-square panels. Each panel must be contiguous with another panel. In any form, the wall is 1 foot thick and lasts for the duration.
If the wall cuts through a creature's space when it appears, the
creature within its area is pushed to one side of the wall and must make a Dexterity saving throw. On a failed save, the creature takes 10d6 cold damage, or half as much damage on a successful save.
The
Spells
Elemental Evil Player's Companion
throw. A creature takes 3d12 bludgeoning damage on a failed save, or half as much damage on a successful one. Additionally, the ground in that area becomes difficult terrain until cleared. Each 5-foot
-square portion of the area requires at least 1 minute to clear by hand.
At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d12 for each slot level above 3rd.
Adult Copper Dragon
Legacy
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Monsters
Basic Rules (2014)
);{"diceNotation":"12d8","rollType":"damage","rollAction":"Acid Breath","rollDamageType":"acid"} acid damage on a failed save, or half as much damage on a successful one.
Slowing Breath. The dragon exhales
);{"diceNotation":"2d6+6","rollType":"damage","rollAction":"Wing Attack","rollDamageType":"bludgeoning"} bludgeoning damage and be knocked prone. The dragon can then fly up to half its flying speed.A
Otiluke's Freezing Sphere
Legacy
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Spells
Player’s Handbook (2014)
saving throw. On a failed save, a creature takes 10d6 cold damage. On a successful save, it takes half as much damage.
If the globe strikes a body of water or a liquid that is principally water (not
including water-based creatures), it freezes the liquid to a depth of 6 inches over an area 30 feet square. This ice lasts for 1 minute. Creatures that were swimming on the surface of frozen water
Bag of Beans
Legacy
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Magic Items
Basic Rules (2014)
, extending from the beans. Each creature in the area, including you, must make a DC 15 Dexterity saving throw, taking 5d4 fire damage on a failed save, or half as much damage on a successful one. The
. On a failed save, the creature takes 10d6 force damage from an internal magical explosion.
91-99
A pyramid with a 60-foot‐square base bursts upward. Inside is a sarcophagus containing a mummy
Freezing Sphere
Legacy
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Spells
Basic Rules (2014)
saving throw. On a failed save, a creature takes 10d6 cold damage. On a successful save, it takes half as much damage.
If the globe strikes a body of water or a liquid that is principally water (not
including water-based creatures), it freezes the liquid to a depth of 6 inches over an area 30 feet square. This ice lasts for 1 minute. Creatures that were swimming on the surface of frozen water
spells
Player’s Handbook
damage on a failed save or half as much damage on a successful one.
If the globe strikes a body of water, it freezes the water to a depth of 6 inches over an area 30 feet square. This ice lasts for 1
Monsters
Ghosts of Saltmarsh
at least 50 feet square and 25 feet deep, causing a whirlpool to form in the center of the area. The whirlpool forms a vortex that is 5 feet wide at the base, up to 50 feet wide at the top, 25 feet
creature takes half damage and isn't caught in the vortex. A creature caught in the vortex can use its action to try to swim away from the vortex as described above, but it has disadvantage on the Strength
Ancient Copper Dragon
Legacy
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Monsters
Basic Rules (2014)
);{"diceNotation":"14d8","rollType":"damage","rollAction":"Acid Breath","rollDamageType":"acid"} acid damage on a failed save, or half as much damage on a successful one.
Slowing Breath. The dragon
dragon can then fly up to half its flying speed.A Copper Dragon’s Lair
Copper dragons dwell in dry uplands and on hilltops, where they make their lairs in narrow caves. False walls in the lair hide
Beholder
Legacy
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Monsters
Monster Manual (2014)
","rollDamageType":"necrotic"} necrotic damage on a failed save, or half as much damage on a successful one.
Telekinetic Ray. If the target is a creature, it must succeed on a DC 16 Strength saving throw or
actions. On initiative count 20 (losing initiative ties), the beholder can take one lair action to cause one of the following effects:
A 50-foot square area of ground within 120 feet of the
Spells
Elemental Evil Player's Companion
You choose a 5-foot-square unoccupied space on the ground that you can see within range. A Medium hand made from compacted soil rises there and reaches for one creature you can see within 5 feet of
crush the restrained target, who must make a Strength saving throw. It takes 2d6 bludgeoning damage on a failed save, or half as much damage on a successful one.
To break out, the restrained target can
Monsters
Van Richten’s Guide to Ravenloft
23 Dexterity saving throw, taking 55 (10d10);{"diceNotation":"10d10","rollType":"damage","rollAction":"Unearthly Bile","rollDamageType":"acid"} acid damage on a failed save, or half as much damage on
.
Warp Space (Costs 2 Actions). The emissary causes the ground in a 20-foot square that it can see within 90 feet of it to turn into teeth and maws until the start of its next turn. The area becomes
Monsters
Journeys through the Radiant Citadel
"} bludgeoning damage and is knocked prone. On a successful save, a creature takes half as much damage and isn’t knocked prone.More than mere waterway guardians, riverines are embodiments of particular
. The riverine conjures swampy ground that briefly covers the ground in a 20-foot square the riverine can see within 120 feet of itself. That area becomes difficult terrain until initiative count
magic-items
7d6 Necrotic damage on a failed save or half as much damage on a successful one. A creature reduced to 0 Hit Points by this damage is transformed into green slime (see chapter 3) that covers the
ground in its space, each 5-foot square of slime representing a separate patch. Nonmagical objects worn or carried by the target that are made of metal or organic material are destroyed by the slime
Control Water
Legacy
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Spells
Basic Rules (2014)
. This effect requires a body of water at least 50 feet square and 25 feet deep. You cause a whirlpool to form in the center of the area. The whirlpool forms a vortex that is 5 feet wide at the base
, the creature takes 2d8 bludgeoning damage and is caught in the vortex until the spell ends. On a successful save, the creature takes half damage, and isn't caught in the vortex. A creature caught in
Monsters
Out of the Abyss
, taking 36 (8d8);{"diceNotation":"8d8","rollType":"damage","rollDamageType":"necrotic"} necrotic damage on a failed save, or half as much damage on a successful one.
6. Telekinetic Ray. If the target
ties), the beholder can take one lair action to cause one of the following effects:
A 50-foot square area of ground within 120 feet of the beholder becomes slimy; that area is difficult terrain until
Monsters
Fizban's Treasury of Dragons
Spider Climb. The dragon can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
Tunneler. The dragon can burrow through solid rock at half its
", "rollDamageType":"thunder"} thunder damage and is incapacitated until the end of its next turn. On a successful save, the creature takes half as much damage and isn’t incapacitated.
Spellcasting (Psionics
Monsters
Eberron: Rising from the Last War
flesh twists in alien ways. The creature has disadvantage on attack rolls, its speed is reduced by half, and if it tries to cast a spell, it must first succeed on a DC 15 Intelligence check or the spell
can’t use the same effect two rounds in a row:
Dyrrn uses its Corruption action.
A 30-foot-square area of ground within 120 feet of Dyrrn sprouts tentacles until initiative count 20 on the
Monsters
Fizban's Treasury of Dragons
half its burrowing speed and can leave a 5-foot-diameter tunnel in its wake.Bite. Melee Weapon Attack: +5;{"diceNotation":"1d20+5", "rollType":"to hit", "rollAction":"Bite"} to hit, reach 5 ft
save, the creature takes half as much damage and isn’t incapacitated.
Spellcasting (Psionics). The dragon casts one of the following spells, requiring no spell components and using
magic-items
Dungeon Master’s Guide
damage on a failed save or half as much damage on a successful one. A creature reduced to 0 Hit Points by this damage is transformed into green slime (see chapter 3) that covers the ground in its
space, each 5-foot square of slime representing a separate patch. Nonmagical objects worn or carried by the target that are made of metal or organic material are destroyed by the slime.
Poison Immunity
magic-items
makes a DC 18 Constitution saving throw, taking 7d6 Necrotic damage on a failed save or half as much damage on a successful one. A creature reduced to 0 Hit Points by this damage is transformed into
green slime (see chapter 3) that covers the ground in its space, each 5-foot square of slime representing a separate patch. Nonmagical objects worn or carried by the target that are made of metal or
Monsters
Fizban's Treasury of Dragons
needing to make an ability check.
Tunneler. The dragon can burrow through solid rock at half its burrowing speed and can leave a 20-foot-diameter tunnel in its wake.Multiattack. The dragon makes one
successful save, the creature takes half as much damage and isn’t incapacitated.
Spellcasting (Psionics). The dragon casts one of the following spells, requiring no spell components and using
Compendium
- Sources->Dungeons & Dragons->Ghosts of Saltmarsh
enter a square marked with a number, they are immediately attacked by that number of skeletons. To begin an encounter, the skeletons rise from the sand, expending half of their movement on their first
characters enter the dunes, use the map to keep track of their location. Assume that the party lands at the southernmost tip of the dunes (in the square south of the number 12) unless the characters
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
of origin of an area of effect, then follow its rules as normal. If an area of effect is circular and covers at least half a square, it affects that square. Line of Sight To precisely determine whether
flank while it is incapacitated. A Large or larger creature is flanking as long as at least one square or hex of its space qualifies for flanking. From left to right: Flanking (Squares), Half-Cover