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Returning 35 results for 'monster starts with only action fails for least'.
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
picks a suitable titan or determines it randomly by rolling on the table below (see the Monster Manual for the creature’s stat block).
The titan is Hostile toward all other creatures and
Magic Items
Dungeon Master’s Guide
Emanation is filled with Dim Light. Any Undead that starts its turn in that area takes 1d6 Radiant damage.
Fire Opal Flames. As long as the helm has at least one fire opal, you can take a Magic action
.
You gain the following benefits while wearing the helm.
Diamond Light. As long as it has at least one diamond, the helm emits a 30-foot Emanation. When at least one Undead is within that area, the
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
with spell attacks):
At Will: Detect Magic, Hold Monster, Ice Knife, Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no Concentration or Temporary Hit
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
Hells.
Fear Aura. The pit fiend emanates an aura in a 20-foot Emanation while it doesn’t have the Incapacitated condition. Wisdom Saving Throw: DC 21, any enemy that starts its turn in the
pit fiend fails a saving throw, it can choose to succeed instead.
Magic Resistance. The pit fiend has Advantage on saving throws against spells and other magical effects.Multiattack. The pit fiend
Spells
Player’s Handbook
time on a turn or starts its turn there makes a Charisma saving throw. On a failed save, a creature can’t speak a deliberate lie while in the radius. You know whether a creature succeeds or
fails on this save.
An affected creature is aware of the spell and can avoid answering questions to which it would normally respond with a lie. Such a creature can be evasive yet must be truthful.
Monsters
Monster Manual
). If the cataclysm fails a saving throw, it can choose to succeed instead.
Siege Monster. The cataclysm deals double damage to objects and structures.Multiattack. The cataclysm makes two Elemental Burst
: 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
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
Advantage on saving throws against spells and other magical effects.
Siege Monster. The colossus deals double damage to objects and structures.Multiattack. The colossus makes three attacks, using Slam or
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.
Spells
Player’s Handbook
(such as the one created by Gust of Wind) disperses it.
Each creature that starts its turn in the Sphere must succeed on a Constitution saving throw or have the Poisoned condition until the end of the current turn. While Poisoned in this way, the creature can’t take an action or a Bonus Action.
Magic Items
Dungeon Master’s Guide
This ceramic jug appears to be able to hold a gallon of liquid and weighs 12 pounds whether full or empty. The jug sloshes when it is shaken, even if the jug is empty.
You can take a Magic action
and name one liquid from the Alchemy Jug Liquids table to cause the jug to produce the chosen liquid. Afterward, you can uncork the jug as a Utilize action and pour that liquid out, up to 2 gallons per
Spells
Player’s Handbook
harm. If another creature that can see the wall moves within 20 feet of it or starts its turn there, the creature must succeed on a Constitution saving throw or have the Blinded condition for 1 minute
through this layer, which is destroyed if it takes at least 25 Cold damage.
2
Orange. Failed Save: 12d6 Acid damage. Successful Save: Half as much damage. Additional Effects: Magical ranged
Magic Items
Dungeon Master’s Guide
weapon by pressing the ruby against it for at least 10 minutes. Thereafter, the ruby can’t be removed unless you detach it as a Magic action, the weapon is destroyed, or your Attunement to the ruby ends.
Spells
Player’s Handbook
You can cast this spell only at night. Choose up to three corpses of Medium or Small Humanoids within range. Each one becomes a Ghoul under your control (see the Monster Manual for its stat block
).
As a Bonus Action on each of your turns, you can mentally command any creature you animated with this spell if the creature is within 120 feet of you (if you control multiple creatures, you can
Monsters
Monster Manual
Amphibious. The hag can breathe air and water.
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
finish a Long Rest before using this trait to cast that spell again.
Vile Appearance. Wisdom Saving Throw: DC 11, any Beast or Humanoid that starts its turn within 30 feet of the hag and can see the hag
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
Monsters
Monster Manual
Animal Lordship. An animal lord represents a Hunter (DM’s choice), which determines certain traits in this stat block.
Legendary Resistance (4/Day). If the animal lord fails a saving throw, it
can choose to succeed instead.
Lordly Presence. Wisdom Saving Throw: DC 20, any enemy that starts its turn in a 30-foot Emanation originating from the animal lord. Failure: The target suffers the
Monsters
Monster Manual
Fetid Aura. Constitution Saving Throw: DC 12, any creature that starts its turn in a 10-foot Emanation originating from the swarm. Failure: The target has the Poisoned condition until the start of
its next turn. While Poisoned, the target can take either an action or a Bonus Action on its turn, not both, and it can’t take Reactions.
Swarm. The swarm can occupy another creature’s
Monsters
Monster Manual
Restoration"} days, reviving with all its Hit Points in the Far Realm or another location chosen by the DM.
Legendary Resistance (3/Day, or 4/Day in Lair). If the aboleth fails a saving throw, it can choose
", "rollDamageType":"Psychic"} Psychic damage. Success: Half damage. Failure or Success: The aboleth gains the target’s memories if the target is a Humanoid and is reduced to 0 Hit Points by this action
Monsters
Monster Manual
Animal Lordship. An animal lord represents a Forager (DM’s choice), which determines certain traits in this stat block.
Legendary Resistance (4/Day). If the animal lord fails a saving throw
, it can choose to succeed instead.
Lordly Presence. Wisdom Saving Throw: DC 20, any enemy that starts its turn in a 30-foot Emanation originating from the animal lord. Failure: The target suffers the
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
use its Nightmare Haunting action.
The bag has AC 15, HP 20, and Resistance to all damage. The bag turns to dust if reduced to 0 Hit Points. If the bag is destroyed, any souls the bag is holding are
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
Magic Items
Dungeon Master’s Guide
someone reaches inside it, there is a 50 percent chance that the creature is pulled inside the bag. A creature inside the bag can take an action to try to escape, doing so with a successful DC 15
Strength (Athletics) check. Another creature can take an action to reach into the bag to pull a creature out, doing so with a successful DC 20 Strength (Athletics) check, provided the puller isn’t
Monsters
Monster Manual
Amphibious. The kraken can breathe air and water.
Legendary Resistance (4/Day, or 5/Day in Lair). If the kraken fails a saving throw, it can choose to succeed instead.
Siege Monster. The kraken
swallowed creature no longer has the Restrained condition and can escape from the corpse using 15 feet of movement, exiting Prone.Legendary Action Uses: 3 (4 in Lair). Immediately after another
Monsters
Monster Manual
Legendary Resistance (6/Day). If the tarrasque fails a saving throw, it can choose to succeed instead.
Magic Resistance. The tarrasque has Advantage on saving throws against spells and other magical
":"Reflective Carapace"}. On a 1–5, the tarrasque is unaffected. On a 6, the tarrasque is unaffected and reflects the spell, turning the caster into the target.
Siege Monster. The tarrasque deals
Spells
Player’s Handbook
effects of your choice for the duration.
On each of your turns until the spell ends, you can take a Magic action to target another creature but can’t target a creature again if it has succeeded on a
save against this casting of the spell.
Asleep. The target has the Unconscious condition. It wakes up if it takes any damage or if another creature takes an action to shake it awake.
Panicked. 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.
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
turn. Webs layered over a flat surface have a depth of 5 feet.
The first time a creature enters the webs on a turn or starts its turn there, it must succeed on a Dexterity saving throw or have the
Restrained condition while in the webs or until it breaks free.
A creature Restrained by the webs can take an action to make a Strength (Athletics) check against your spell save DC. If it succeeds, it is
Spells
Player’s Handbook
, and it can make only one attack if it takes the Attack action. If it casts a spell with a Somatic component, there is a 25 percent chance the spell fails as a result of the target making the spell
target’s Speed is halved, it takes a −2 penalty to AC and Dexterity saving throws, and it can’t take Reactions. On its turns, it can take either an action or a Bonus Action, not both
Spells
Player’s Handbook
spell, the hound starts barking loudly. The hound has Truesight with a range of 30 feet.
At the start of each of your turns, the hound attempts to bite one enemy within 5 feet of it. That enemy must
succeed on a Dexterity saving throw or take 4d8 Force damage.
On your later turns, you can take a Magic action to move the hound up to 30 feet.
Monsters
Monster Manual
block.
Legendary Resistance (4/Day). If the animal lord fails a saving throw, it can choose to succeed instead.
Lordly Presence. Wisdom Saving Throw: DC 20, any enemy that starts its turn in a 30
(Sage Only): Animal Shapes, SunburstLegendary Action Uses: 3. Immediately after another creature’s turn, the animal lord can expend a use to take one of the following actions. The animal lord
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
that spell again.
Legendary Resistance (4/Day, or 5/Day in Lair). If the hag fails a saving throw, it can choose to succeed instead.
Magic Resistance. The hag has Advantage on saving throws against
Monsters
Monster Manual
Siege Monster. The treant deals double damage to objects and structures.Multiattack. The treant makes two Slam attacks.
Slam. Melee Attack Roll: +10;{"diceNotation":"1d20+10", "rollType":"to hit
Intelligence and Charisma scores of 1, it can’t speak, and it lacks this action. The tree takes its turn immediately after the treant on the same Initiative count, and it obeys the treant. A
Monsters
Monster Manual
Animal Lordship. An animal lord represents the Sage, which determines certain traits in this stat block.
Legendary Resistance (4/Day). If the animal lord fails a saving throw, it can choose to
succeed instead.
Lordly Presence. Wisdom Saving Throw: DC 20, any enemy that starts its turn in a 30-foot Emanation originating from the animal lord. Failure: The target suffers one of the following
Monsters
Monster Manual
condition. Wisdom Saving Throw: DC 10, any creature that starts its turn within 20 feet of the mouther while it is babbling. Failure: The target rolls 1d8;{"diceNotation":"1d8", "rollType":"roll
", "rollAction":"Gibbering"} to determine what it does during the current turn:
1–4. The target does nothing. 5–6. The target takes no action or Bonus Action and uses all its movement to move in a