both before decreases cantrip rest

Death Dog

Monsters Monster Manual

. First Failure: The target has the Poisoned condition. While Poisoned, the target’s Hit Point maximum doesn’t return to normal when finishing a Long Rest, and it repeats the save every 24 hours

that elapse, ending the effect on itself on a success. Subsequent Failures: The Poisoned target’s Hit Point maximum decreases by 5 (1d10);{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Bite"}.

Dark Shard Amulet

Magic Items Dungeon Master’s Guide

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

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.

Hat of Wizardry

Magic Items Dungeon Master’s Guide

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

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.

Blue Slaad

Monsters Monster Manual

. Failure: The target is cursed. The cursed target can’t regain Hit Points, and its Hit Point maximum decreases by 10 (3d6);{"diceNotation":"3d6", "rollType":"roll", "rollAction":"Mutating Claw"} after

every 24 hours and doesn’t return to normal after finishing a Long Rest. If the curse reduces the target’s Hit Point maximum to 0, the curse ends, and instead of dying, the target

Sahuagin Baron

Monsters Monster Manual

":"damage", "rollAction":"Fiendish Blood", "rollDamageType":"Acid"} Acid damage, and the target is cursed until it finishes a Short or Long Rest. While cursed, the target can’t benefit from the

Invisible condition, its Speed decreases by 10 feet, and all Fiends within 120 feet of the target can sense its location regardless of interposing obstacles.Acid, Cold

Succubus

Monsters Monster Manual

Incubus Form. When the succubus finishes a Long Rest, it can shape-shifting;shape-shift into an Incubus, using that stat block instead of this one.Multiattack. The succubus makes one Fiendish Touch

);{"diceNotation":"3d8", "rollType":"damage", "rollAction":"Draining Kiss", "rollDamageType":"Psychic"} Psychic damage. Success: Half damage. Failure or Success: The target’s Hit Point maximum decreases by

Otyugh

Monsters Monster Manual

Long Rest, it is subjected to the following effect. Constitution Saving Throw: DC 15. Failure: The target’s Hit Point maximum decreases by 5 (1d10);{"diceNotation":"1d10", "rollType":"roll

Gulthias Blight

Monsters Monster Manual

Blight Seeds. When it finishes a Long Rest, the blight expels 1d6;{"diceNotation":"1d6", "rollType":"roll", "rollAction":"Blight Seeds"} seeds into unoccupied spaces on the ground within 30 feet of

", "rollType":"damage", "rollAction":"Life-Draining Root", "rollDamageType":"Necrotic"} Necrotic damage at the start of each of its turns. The target’s Hit Point maximum decreases by an amount equal to the Necrotic damage taken, and the blight regains Hit Points equal to that amount.Fire, Necrotic

Mummy

Monsters Monster Manual

maximum doesn’t return to normal when finishing a Long Rest, and its Hit Point maximum decreases by 10 (3d6);{"diceNotation":"3d6", "rollType":"roll", "rollAction":"Rotting Fist"} every 24 hours

Night Hag

Monsters Monster Manual

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

spell, the target’s Hit Point maximum decreases by an amount equal to that damage. If the spell kills the target, its soul is trapped in the hag’s soul bag, and the target can’t be

Demilich

Monsters Monster Manual

Throw: DC 19, one creature the demilich can see within 120 feet. Failure: The target’s Hit Point maximum decreases by 14 (4d6);{"diceNotation":"4d6", "rollType":"roll", "rollAction":"Energy Drain

presence, creating the following effects: Enervating Domain. Whenever a creature other than the demilich or one of its allies finishes a Long Rest within 1 mile of the lair, the creature must succeed on a

Mummy Lord

Monsters Monster Manual

":"Necrotic"} Necrotic damage. If the target is a creature, it is cursed. While cursed, the target can’t regain Hit Points, it gains no benefit from finishing a Long Rest, and its Hit Point

maximum decreases by 10 (3d6);{"diceNotation":"3d6", "rollType":"roll", "rollAction":"Rotting Fist"} every 24 hours that elapse. A creature dies and turns to dust if reduced to 0 Hit Points by this attack

Vampire Umbral Lord

Monsters Monster Manual

within 1 mile of the lair. Looming Shadows. Shadows within 1 mile of the lair seem to move as if alive. Any creature (excluding the vampire and its allies) that finishes a Short Rest while within 1

mile of the lair must succeed on a DC 15 Wisdom saving throw or gain no benefit from that rest. Mists. The area within 1 mile of the lair is Lightly Obscured by a persistent, creeping fog. The vampire

Wish

Spells Player’s Handbook

cast a spell until you finish a Long Rest, you take 1d10 Necrotic damage per level of that spell. This damage can’t be reduced or prevented in any way. In addition, your Strength score becomes 3

for 2d4 days. For each of those days that you spend resting and doing nothing more than light activity, your remaining recovery time decreases by 2 days. Finally, there is a 33 percent chance that you are unable to cast Wish ever again if you suffer this stress.

Light Bringer

Feats Astarion's Book of Hungers

learn the Light spell and can cast it without Material components. If you already know that cantrip, you learn a different Cleric cantrip of your choice. The spell’s spellcasting ability is the

Rest. Sun’s Healing. As a Bonus Action while within sunlight, you can expend one of your Hit Point Dice, roll the die, and regain a number of Hit Points equal to the roll. Once you use this benefit, you can’t use it again until you finish a Short or Long Rest.

Vampire Infernalist

Monsters Astarion's Book of Hungers

(if any). The target’s Hit Point maximum decreases by an amount equal to the Necrotic damage taken, and the vampire regains Hit Points equal to that amount. A Humanoid reduced to 0 Hit Points by

sap the body and mind. Creatures (excluding the vampire and its allies) that finish a Short or Long Rest while within 1 mile of the lair make a DC 15 Wisdom saving throw. On a failed save, a creature

Spellfire Spark

Feats Forgotten Realms: Heroes of Faerûn

select this feat). You can also cast this cantrip as a Bonus Action a number of times equal to your Proficiency Bonus, and you regain all expended uses when you finish a Long Rest.

benefit if you have the Incapacitated condition. Spellfire Flame. You learn the Sacred Flame cantrip. Intelligence, Wisdom, or Charisma is your spellcasting ability for this spell (choose when you

Greater Aberrant Mark