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Returning 35 results for '30 lasts half'.
Monsters
Monster Manual
", "rollAction":"Acid Breath", "rollDamageType":"Acid"} Acid damage. Success: Half damage.
Slowing Breath. Constitution Saving Throw: DC 14, each creature in a 30-foot Cone. Failure: The target can&rsquo
;t take Reactions; its Speed is halved; and it can take either an action or a Bonus Action on its turn, not both. This effect lasts until the end of its next turn.Acid
Monsters
Monster Manual
":"1d6", "rollType":"recharge", "rollAction":"Hunger of Yeenoghu"}. The gnoll conjures a 30-foot Cube of magical Darkness originating from a point it can see within 60 feet, which lasts for 1 minute
gains 10 Temporary Hit Points. Success: Half damage only.Rampage (2/Day). Immediately after dealing damage to a creature that is already Bloodied, the gnoll moves up to half its Speed, and it makes one Abyssal Strike attack.
Magic Items
Dungeon Master’s Guide
Light in a 30-foot radius and Dim Light for an additional 30 feet. This effect doesn’t expend a charge. It lasts until you take a Bonus Action to repeat the command word or until you use another
Word. You expend 5 charges and cause the gem to flare with intense light in a 30-foot Cone. Each creature in the Cone makes a saving throw as if struck by the beam created with the second command word.
When all of the gem’s charges are expended, the gem becomes a nonmagical jewel worth 50 GP.
Magic Items
Dungeon Master’s Guide
After drinking this potion, you can take a Bonus Action to exhale fire at a target within 30 feet of yourself. The target makes a DC 13 Dexterity saving throw, taking 4d6 Fire damage on a failed save
or half as much damage on a successful one. The effect ends after you exhale the fire three times or when 1 hour has passed.
This potion’s orange liquid flickers, and smoke fills the top of the container and wafts out whenever it is opened.
Monsters
Monster Manual
-foot-long, 5-foot-wide Line. Failure: 18 (4d8);{"diceNotation":"4d8", "rollType":"damage", "rollAction":"Acid Breath", "rollDamageType":"Acid"} Acid damage. Success: Half damage.
Slowing Breath
. Constitution Saving Throw: DC 11, each creature in a 15-foot Cone. Failure: The target can’t take Reactions; its Speed is halved; and it can take either an action or a Bonus Action on its turn, not both. This effect lasts until the end of its next turn.Acid
Spells
Player’s Handbook
You conjure a vine that sprouts from a surface in an unoccupied space that you can see within range. The vine lasts for the duration.
Make a melee spell attack against a creature within 30 feet of
the vine. On a hit, the target takes 4d8 Bludgeoning damage and is pulled up to 30 feet toward the vine; if the target is Huge or smaller, it has the Grappled condition (escape DC equal to your spell
Spells
Player’s Handbook
You unleash negative energy toward a creature you can see within range. The target makes a Constitution saving throw, taking 7d8 + 30 Necrotic damage on a failed save or half as much damage on a
Spells
Player’s Handbook
saving throw, taking 2d6 Fire damage on a failed save or half as much damage on a successful one.
As a Bonus Action, you can move the sphere up to 30 feet, rolling it along the ground. If you move
You create a 5-foot-diameter sphere of fire in an unoccupied space on the ground within range. It lasts for the duration. Any creature that ends its turn within 5 feet of the sphere makes a Dexterity
Spells
Player’s Handbook
You imbue plants in an immobile 30-foot Emanation with limited sentience and animation, giving them the ability to communicate with you and follow your simple commands. You can question plants about
growth (such as thickets and undergrowth) into ordinary terrain that lasts for the duration. Or you can turn ordinary terrain where plants are present into Difficult Terrain that lasts for the duration
Spells
Player’s Handbook
. The effect lasts for the duration. If you cast the spell on the same target every day for 30 days, the illusion lasts until dispelled.
Mask (Creature). Choose a creature type other than the target
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
, you can move each sphere up to 30 feet, but no farther than 120 feet away from yourself. The first time the sphere comes within 5 feet of a creature other than you that isn’t behind Total
Spells
Player’s Handbook
condition until the start of your next turn. On a successful save, it takes half as much damage only.
Until the spell ends, you can take a Magic action to create a new Line of radiance.
For the duration
, a mote of brilliant radiance shines above you. It sheds Bright Light in a 30-foot radius and Dim Light for an additional 30 feet. This light is sunlight.
Spells
Player’s Handbook
A spectral, floating hand appears at a point you choose within range. The hand lasts for the duration. The hand vanishes if it is ever more than 30 feet away from you or if you cast this spell again
Magic action on your later turns, you can control the hand thus again. As part of that action, you can move the hand up to 30 feet.
The hand can’t attack, activate magic items, or carry more than 10 pounds.
Spells
Player’s Handbook
You create a spectral sword that hovers within range. It lasts for the duration.
When the sword appears, you make a melee spell attack against a target within 5 feet of the sword. On a hit, the
target takes Force damage equal to 4d12 plus your spellcasting ability modifier.
On your later turns, you can take a Bonus Action to move the sword up to 30 feet to a spot you can see and repeat the attack against the same target or a different one.
Spells
Player’s Handbook
Destructive energy ripples outward from you in a 30-foot Emanation. Each creature you choose in the Emanation makes a Constitution saving throw. On a failed save, a target takes 5d6 Thunder damage
and 5d6 Radiant or Necrotic damage (your choice) and has the Prone condition. On a successful save, a target takes half as much damage only.
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
damage on 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
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
Monsters
Monster Manual
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
, not both. This effect lasts until the end of its next turn.
Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting
Spells
Player’s Handbook
a 30-foot Cone. Failure: 2d6 damage of a type this spirit has Resistance to (your choice when you cast the spell). Success: Half damage.
spell’s level in the stat block.
Draconic Spirit
Large Dragon, Neutral
AC 14 + the spell’s level
HP 50 + 10 for each spell level above 5
Speed 30 ft., Fly 60 ft., Swim 30 ft
Monsters
Monster Manual
"} damage of the type chosen for the Draconic Origin trait. Success: Half damage.Leap. The half-dragon jumps up to 30 feet by spending 10 feet of movement.
Resistances. Damage type chosen for the Draconic Origin trait below.
Draconic Origin. The half-dragon is related to a type of dragon associated with one of the following damage types (DM’s
Magic Items
Dungeon Master’s Guide
You can take a Magic action to blow the horn, which emits a thunderous blast in a 30-foot Cone that is audible out to 600 feet. Each creature in the Cone makes a DC 15 Constitution saving throw. On a
failed save, a creature takes 5d8 Thunder damage and has the Deafened condition for 1 minute. On a successful save, a creature takes half as much damage only. Glass or crystal objects in the Cone
Spells
Player’s Handbook
’s level in the stat block.
Fey Spirit
Small Fey, Neutral
AC 12 + the spell’s level
HP 30 + 10 for each spell level above 3
Speed 30 ft., Fly 30 ft.
Mod
Save
number of Fey Blade attacks equal to half this spell’s level (round down).
Fey Blade. Melee Attack Roll: Bonus equals your spell attack modifier, reach 5 ft. Hit: 2d6 + 3 + the spell’s level
Magic Items
Dungeon Master’s Guide
magic of the deck functions only if its cards are drawn at random. You can take a Magic action to draw a card at random from the deck and throw it to the ground at a point within 30 feet of yourself. An
real creature of its kind, except that it can do no harm. While you are within 120 feet of the illusory creature and can see it, you can take a Magic action to move it anywhere within 30 feet of its
Spells
Player’s Handbook
An aura radiates from you in a 30-foot Emanation for the duration. While in the aura, you and your allies have Advantage on saving throws against spells and other magical effects. When an affected
creature makes a saving throw against a spell or magical effect that allows a save to take only half damage, it takes no damage if it succeeds on the save.
Monsters
Monster Manual
Tunneler. The ankheg can burrow through solid rock at half its Burrow Speed and leaves a 10-foot-diameter tunnel in its wake.Bite. Melee Attack Roll: +5;{"diceNotation":"1d20+5", "rollType":"to
Grappled condition (escape DC 13).
Acid Spray (Recharge 6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Acid Spray"}. Dexterity Saving Throw: DC 12, each creature in a 30-foot-long, 5
Spells
Player’s Handbook
You try to create illusory terrors in others’ minds. Each creature of your choice in a 30-foot-radius Sphere centered on a point within range makes a Wisdom saving throw. On a failed save, a
target takes 10d10 Psychic damage and has the Frightened condition for the duration. On a successful save, a target takes half as much damage only.
A Frightened target makes a Wisdom saving throw at
Monsters
Monster Manual
attacks.
Elemental Burst. Melee or Ranged Attack Roll: +15;{"diceNotation":"1d20+15", "rollType":"to hit", "rollAction":"Elemental Burst"}, reach 30 ft. or range 150 ft. Hit: 25 (5d6 + 8) damage of
: Half damage. Failure or Success: The target starts burning.2: Freezing Waves. Strength Saving Throw: DC 23, each creature in a 90-foot Cone. Failure: 22 (5d8);{"diceNotation":"5d8", "rollType":"damage
Monsters
Monster Manual
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
, not both. This effect lasts until the end of its next turn.
Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting
Monsters
Monster Manual
’s next turn.Frenzied Rush. Each ally within 30 feet of the berserker can take a Reaction to move up to half the ally’s Speed without provoking opportunity attack;Opportunity Attacks. The berserker can also move up to half its Speed without provoking Opportunity Attacks.
creature within 5 feet of the target.
Javelin. Melee or Ranged Attack Roll: +7;{"diceNotation":"1d20+7", "rollType":"to hit", "rollAction":"Javelin"}, reach 5 ft. or range 30/120 ft. Hit: 18 (4d6 + 4
Spells
Player’s Handbook
wall into a globe up to 30 feet in diameter centered on a point within range. The wall lasts for the duration. If you position the wall in a space occupied by a creature, the spell ends instantly
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
Monsters
Monster Manual
, each creature in a 30-foot Cone. Failure: 42 (12d6);{"diceNotation":"12d6", "rollType":"damage", "rollAction":"Poison Breath", "rollDamageType":"Poison"} Poison damage. Success: Half damage.Poison
Spells
Player’s Handbook
take the Magic action. At the end of every 30 days, the target repeats the save, ending the effect on a success. The effect can also be ended by the Greater Restoration, Heal, or Wish spell.
On a successful save, the target takes half as much damage only.
Spells
Player’s Handbook
You launch a lightning bolt toward a target you can see within range. Three bolts then leap from that target to as many as three other targets of your choice, each of which must be within 30 feet of
half as much damage on a successful one.
Using a Higher-Level Spell Slot. One additional bolt leaps from the first target to another target for each spell slot level above 6.
Magic Items
Dungeon Master’s Guide
enough rats are within half a mile of you to be called in this fashion (as determined by the DM). If there aren’t enough rats to form a swarm, the charge is wasted. Called swarms move toward the
music by the shortest available route but aren’t under your control otherwise.
Whenever a Swarm of Rats that isn’t under another creature’s control comes within 30 feet of you while