before below drops check revive

Hunter's Mark

Spells Player’s Handbook

Advantage on any Wisdom (Perception or Survival) check you make to find it. If the target drops to 0 Hit Points before this spell ends, you can take a Bonus Action to move the mark to a new creature

Rope of Entanglement

Magic Items Dungeon Master’s Guide

(Athletics) or Dexterity (Acrobatics) check. On a successful check, the target is no longer Restrained by the rope. If you’re still holding onto the rope when a target escapes from it, you can take

Hit Point every 5 minutes as long as it has at least 1 Hit Point. If the rope drops to 0 Hit Points, it is destroyed.

Arch-hag

Monsters Monster Manual

spells and other magical effects. Spiteful Escape. When the hag drops to 0 Hit Points, it dies only if it is within 30 feet of its anathema (a thing the DM chooses as the hag’s most hated thing

). Otherwise, the hag drops to 1 Hit Point and teleports to a harmless demiplane, and it can’t return to the plane it left for 2d6;{"diceNotation":"2d6", "rollType":"roll", "rollAction":"Spiteful

Hat of Many Spells

Magic Items Dungeon Master’s Guide

slot of the spell’s level. Then, to determine whether you cast the spell, make an Intelligence (Arcana) check (DC 10 plus the spell’s level). On a successful check, you cast the spell using

its normal casting time, and you can’t use this property again until you finish a Short or Long Rest. On a failed check, you fail to cast the spell and a random effect occurs instead

Vampire

Monsters Monster Manual

Legendary Resistance (3/Day, or 4/Day in Lair). If the vampire fails a saving throw, it can choose to succeed instead. Misty Escape. If the vampire drops to 0 Hit Points outside its resting place

regains 1 Hit Point after spending 1 hour there. Spider Climb. The vampire can climb difficult surfaces, including along ceilings, without needing to make an ability check. Vampire Weakness. The

Earthquake

Spells Player’s Handbook

. The tremor deals 50 Bludgeoning damage to any structure in contact with the ground in the area when you cast the spell and at the end of each of your turns until the spell ends. If a structure drops to

12d6 Bludgeoning damage, has the Prone condition, and is buried in the rubble, requiring a DC 20 Strength (Athletics) check as an action to escape. On a successful save, the creature takes half as much damage only.

Giant Insect

Spells Player’s Handbook

determines certain details in its stat block. The creature disappears when it drops to 0 Hit Points or when the spell ends. The creature is an ally to you and your allies. In combat, the creature

make an ability check. Actions Multiattack. The insect makes a number of attacks equal to half this spell’s level (round down). Poison Jab. Melee Attack Roll: Bonus equals your spell attack

Mechanical Wonder

Magic Items Forgotten Realms: Heroes of Faerûn

any, it takes the Dodge action and uses its movement to avoid danger. The domestic wonderis destroyed if it drops to 0 Hit Points. Domestic Wonder Medium Construct, Unaligned AC 9 Initiative -1

a successful save, the wonder drops to 1 Hit Point instead. Wind-Up Operation. The wonder has the Unconscious condition until another creature winds it with the wonder’s unique key for 1

Rope of Entanglement Legacy

Magic Items Basic Rules (2014)

the rope can use an action to make a DC 15 Strength or Dexterity check (target’s choice). On a success, the creature is no longer restrained by the rope. The rope has AC 20 and 20 hit points

. It regains 1 hit point every 5 minutes as long as it has at least 1 hit point. If the rope drops to 0 hit points, it is destroyed.

Hunter's Mark Legacy

Spells Basic Rules (2014)

you have advantage on any Wisdom (Perception) or Wisdom (Survival) check you make to find it. If the target drops to 0 hit points before this spell ends, you can use a bonus action on a subsequent turn

Broom of Animated Attack

Monsters Curse of Strahd

","rollType":"damage","rollAction":"Broomstick","rollDamageType":"bludgeoning"} bludgeoning damage.Animated Attack. If the broom is motionless and a creature grabs hold of it, the broom makes a Dexterity check

contested by the creature's Strength check. If the broom wins the contest, it flies out of the creature's grasp and makes a melee attack against it with advantage on the attack roll.Animated objects

Bigby's Hand Legacy

Spells Player’s Handbook (2014)

movements of your own hand. The hand is an object that has AC 20 and hit points equal to your hit point maximum. If it drops to 0 hit points, the spell ends. It has a Strength of 26 (+8) and a Dexterity

. Forceful Hand. The hand attempts to push a creature within 5 feet of it in a direction you choose. Make a check with the hand's Strength contested by the Strength (Athletics) check of the target. If the

Ruin Spider

Monsters The Book of Many Things

Ruinous Acid. Any nonmagical weapon that hits the spider corrodes. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5

ceilings, without needing to make an ability check. Web Sense. While in contact with a web, the spider knows the exact location of any other creature in contact with the same web. Web Walker. The

Constructed Commoner

Monsters Candlekeep Mysteries

Unusual Nature. The commoner doesn’t require air, food, drink, or sleep, and it gains no benefit from finishing a short or long rest. When it drops to 0 hit points, it becomes a lifeless

conversations, a few clues to their true nature exist. A character who observes one or more of the commoners closely and succeeds on a DC 15 Wisdom (Perception) check notices a faint clicking sound

Regenerating Black Pudding

Monsters Out of the Abyss

. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal or wood that

upside down on ceilings, without needing to make an ability check. Regeneration. The pudding regains 10 hit points at the start of its turn. If the pudding takes fire damage, this trait doesn't function at

Cave Fisher Legacy

Monsters Volo's Guide to Monsters

weapon that fails to sever it becomes stuck to it, requiring an action and a successful DC 13 Strength check to pull free. Destroying the filament deals no damage to the cave fisher, which can extrude a

replacement filament on its next turn. Flammable Blood. If the cave fisher drops to half its hit points or fewer, it gains vulnerability to fire damage. Spider Climb. The cave fisher can climb

Intelligent Black Pudding

Monsters Waterdeep: Dungeon of the Mad Mage

. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal or wood that

upside down on ceilings, without needing to make an ability check. Innate Spellcasting. The pudding's spellcasting ability is Intelligence (spell save DC 12, +4;{"diceNotation":"1d20+4","rollType":"to hit

Reduced-threat Black Pudding

Monsters Tales from the Yawning Portal

. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal or wood that

upside down on ceilings, without needing to make an ability check. Reduced Threat. This creature has -2 penalty on all ability checks and saving throws.Pseudopod. Melee Weapon Attack: +3;{"diceNotation

Sacred Statue

Monsters Mordenkainen Presents: Monsters of the Multiverse

succeed on a DC 18 Intelligence (Investigation) check to discern that the statue isn’t an object. Ghostly Inhabitant. The eidolon that enters the statue remains inside it until the statue

drops to 0 hit points, the eidolon uses a bonus action to move out of the statue, or the eidolon is turned or forced out by an effect such as the dispel evil and good spell. When the eidolon leaves the

Arcane Hand Legacy

Spells Basic Rules (2014)

movements of your own hand. The hand is an object that has AC 20 and hit points equal to your hit point maximum. If it drops to 0 hit points, the spell ends. It has a Strength of 26 (+8) and a Dexterity

. Forceful Hand. The hand attempts to push a creature within 5 feet of it in a direction you choose. Make a check with the hand's Strength contested by the Strength (Athletics) check of the target. If the

Infernal Calling

Spells Xanathar's Guide to Everything

. The devil appears in an unoccupied space that you can see within range. The devil disappears when it drops to 0 hit points or when the spell ends. The devil is unfriendly toward you and your companions

, you must make a Charisma (Deception, Intimidation, or Persuasion) check contested by its Wisdom (Insight) check. You make the check with advantage if you say the devil’s true name. If your check

Priest of Osybus (Ectoplasmic)