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Returning 35 results for 'cast fails'.
Magic Items
Dungeon Master’s Guide
While holding this fan, you can cast Gust of Wind (save DC 13) from it. Each subsequent time the fan is used before the next dawn, it has a cumulative 20 percent chance of not working; if the fan fails to work, it tears into useless, nonmagical tatters.
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
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
Magic Items
Dungeon Master’s Guide
, a fact that is revealed only when the Identify spell is cast on the armor or you attune to it. Attuning to the armor curses you until you are targeted by a Remove Curse spell or similar magic
; removing the armor fails to end the curse. While cursed, you have Vulnerability to two of the three damage types associated with the armor (not the one to which it grants Resistance).
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
use of Spellcasting to cast Shatter.
Rend. Melee Attack Roll: +12;{"diceNotation":"1d20+12", "rollType":"to hit", "rollAction":"Rend"}, reach 10 ft. Hit: 16 (2d8 + 7);{"diceNotation":"2d8+7
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
use of Spellcasting to cast Shatter (level 3 version).
Rend. Melee Attack Roll: +16;{"diceNotation":"1d20+16", "rollType":"to hit", "rollAction":"rend"}, reach 15 ft. Hit: 18 (2d8 + 9
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
use of Spellcasting to cast Scorching Ray (level 3 version).
Rend. Melee Attack Roll: +17;{"diceNotation":"1d20+17", "rollType":"to hit", "rollAction":"Rend"}, reach 15 ft. Hit: 19 (2d8 + 10
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
use of Spellcasting to cast Scorching Ray.
Rend. Melee Attack Roll: +14;{"diceNotation":"1d20+14", "rollType":"to hit", "rollAction":"Rend"}, reach 10 ft. Hit: 13 (1d10 + 8);{"diceNotation":"1d10+8
Magic Items
Dungeon Master’s Guide
This Spell Scroll bears the words of the Fireball spell, written in a mystical cipher. If Fireball is on your spell list, you can read the scroll and cast it without Material components. Otherwise
, the scroll is unintelligible. Casting Fireball by reading the scroll requires it’s normal casting time. Once cast, the scroll crumbles to dust. If the casting is interrupted, the scroll isn&rsquo
Magic Items
Dungeon Master’s Guide
A Spell Scroll bears the words of a single spell, written in a mystical cipher. If the spell is on your spell list, you can read the scroll and cast its spell without Material components. Otherwise
, the scroll is unintelligible. Casting the spell by reading the scroll requires the spell’s normal casting time. Once the spell is cast, the scroll crumbles to dust. If the casting is interrupted
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
three Rend attacks. It can replace one attack with a use of Spellcasting to cast Mind Spike (level 3 version).
Rend. Melee Attack Roll: +11;{"diceNotation":"1d20+11", "rollType":"to hit", "rollAction
Monsters
Monster Manual
Amphibious. The dragon can breathe air and water.
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 use of Spellcasting to cast Mind Spike (level 5 version).
Rend. Melee Attack Roll: +15;{"diceNotation":"1d20+15", "rollType":"to hit", "rollAction
Magic Items
Dungeon Master’s Guide
A Hag Eye has 3 charges. While wearing or holding this item, you can expend 1 charge to cast Darkvision (targeting yourself only) or See Invisibility. The Hag Eye regains all expended charges daily
the Incapacitated condition. If the hags take any other actions during this rite, the rite fails and ends.
Spells
Player’s Handbook
A 10-foot Emanation springs into existence around you and remains stationary for the duration. The spell fails when you cast it if the Emanation isn’t big enough to fully encapsulate all
creatures in its area.
Creatures and objects within the Emanation when you cast the spell can move through it freely. All other creatures and objects are barred from passing through it. Spells of level 3
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
dies, it revives 24 hours later unless Dispel Evil and Good is cast on its remains. If it revives, it animates another Gargantuan object or structure elsewhere on the same plane of existence; it now
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
use of (A) Paralyzing Breath or (B) Spellcasting to cast Ice Knife.
Rend. Melee Attack Roll: +13;{"diceNotation":"1d20+13", "rollType":"to hit", "rollAction":"Rend"}, reach 10 ft. Hit: 17 (2d8 + 8
Monsters
Monster Manual
Amphibious. The dragon can breathe air and water.
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 use of (A) Repulsion Breath or (B) Spellcasting to cast Guiding Bolt (level 2 version).
Rend. Melee Attack Roll: +16;{"diceNotation":"1d20+16
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
use of (A) Slowing Breath or (B) Spellcasting to cast Mind Spike (level 5 version).
Rend. Melee Attack Roll: +15;{"diceNotation":"1d20+15", "rollType":"to hit", "rollAction":"Rend"}, reach 15 ft
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
use of (A) Paralyzing Breath or (B) Spellcasting to cast Ice Knife (level 2 version).
Rend. Melee Attack Roll: +17;{"diceNotation":"1d20+17", "rollType":"to hit", "rollAction":"Rend"}, reach 15 ft
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
three Rend attacks. It can replace one attack with a use of (A) Repulsion Breath or (B) Spellcasting to cast Guiding Bolt (level 2 version).
Rend. Melee Attack Roll: +12;{"diceNotation":"1d20+12
Monsters
Monster Manual
Coven Magic. While within 30 feet of at least two hag allies, the hag can cast one of the following spells, requiring no Material components, using the spell’s normal casting time, and using
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
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
use of (A) Slowing Breath or (B) Spellcasting to cast Mind Spike (level 4 version).
Rend. Melee Attack Roll: +11;{"diceNotation":"1d20+11", "rollType":"to hit", "rollAction":"Rend"}, reach 10 ft
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
use of (A) Sleep Breath or (B) Spellcasting to cast Scorching Ray (level 3 version).
Rend. Melee Attack Roll: +14;{"diceNotation":"1d20+14", "rollType":"to hit", "rollAction":"Rend"}, reach 15 ft
Monsters
Monster Manual
Coven Magic. While within 30 feet of at least two hag allies, the hag can cast one of the following spells, requiring no Material components, using the spell’s normal casting time, and using
Intelligence as the spellcasting ability (spell save DC 14): Augury, Find Familiar, Identify, Locate Object, Scrying, or Unseen Servant. The hag must finish a Long Rest before using this trait to cast
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
three Rend attacks. It can replace one attack with a use of Spellcasting to cast Melf's Acid Arrow (level 3 version).
Rend. Melee Attack Roll: +11;{"diceNotation":"1d20+11", "rollType":"to hit
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
use of (A) Sleep Breath or (B) Spellcasting to cast Scorching Ray.
Rend. Melee Attack Roll: +11;{"diceNotation":"1d20+11", "rollType":"to hit", "rollAction":"rend"}, reach 10 ft. Hit: 17 (2d10 + 6
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
three Rend attacks. It can replace one attack with a use of Spellcasting to cast Melf's Acid Arrow (level 4 version).
Rend. Melee Attack Roll: +15;{"diceNotation":"1d20+15", "rollType":"to hit
Magic Items
Dungeon Master’s Guide
regains 1d3 expended charges daily at dawn. While you carry it, you can expend 1 charge to cast Dominate Beast (save DC 20) from it on a Beast that has a Swim Speed.
Globe of Invulnerability. While
holding Wave, you can cast the level 9 version of Globe of Invulnerability from it. Once used, this property can’t be used again until the next dawn.
Sentience. Wave is a sentient weapon of
Monsters
Monster Manual
Legendary Resistance (3/Day, or 4/Day in Lair). If the dracolich fails a saving throw, it can choose to succeed instead.
Life Suppression. Creatures within 60 feet of the dracolich can’t
ritual consumes.Multiattack. The dracolich makes three Rend attacks. It can replace one attack with a use of Spellcasting to cast Ray of Sickness (level 2 version).
Rend. Melee Attack Roll: +13
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
three Rend attacks. It can replace one attack with a use of (A) Spellcasting to cast Guiding Bolt (level 2 version) or (B) Weakening Breath.
Rend. Melee Attack Roll: +14;{"diceNotation":"1d20+14
Monsters
Monster Manual
Amphibious. The dragon can breathe air and water.
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 use of (A) Spellcasting to cast Guiding Bolt (level 4 version) or (B) Weakening Breath.
Rend. Melee Attack Roll: +17;{"diceNotation":"1d20+17
Spells
Player’s Handbook
Your touch inflicts a magical contagion. The target must succeed on a Constitution saving throw or take 11d8 Necrotic damage and have the Poisoned condition. Also, choose one ability when you cast
successes or failures. If the target succeeds on three of these saves, the spell ends on the target. If the target fails three of the saves, the spell lasts for 7 days on it.
Whenever the Poisoned target
Monsters
Monster Manual
. An engulfed target is suffocation;suffocating, can’t cast spells with a Verbal component, has the Restrained condition, and takes 10 (3d6);{"diceNotation":"3d6", "rollType":"damage
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
Spells
Player’s Handbook
As you cast the spell, choose whether it creates antipathy or sympathy, and target one creature or object that is Huge or smaller. Then specify a kind of creature, such as red dragons, goblins, or
vampires. A creature of the chosen kind makes a Wisdom saving throw when it comes within 120 feet of the target. Your choice of antipathy or sympathy determines what happens to a creature when it fails
Monsters
Monster Manual
Legendary Resistance (3/Day). If the death knight fails a saving throw, it can choose to succeed instead.
Magic Resistance. The death knight has Advantage on saving throws against spells and other
turns.
Dread Authority. The death knight uses Spellcasting to cast Command. The death knight can’t take this action again until the start of its next turn.
Fell Word. Constitution Saving Throw






