both being die check reduce

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

Deck of Many Things

Magic Items Dungeon Master’s Guide

effect. Comet. The next time you enter combat against one or more Hostile creatures, you can select one of them as your foe when you roll Initiative. If you reduce your foe to 0 Hit Points during that

you draw the card or at any other time before you die. Flames. A powerful devil becomes your enemy. The devil seeks your ruin and torments you, savoring your suffering before attempting to slay you

Book of Vile Darkness

Magic Items Dungeon Master’s Guide

disappears, your Attunement to it ends immediately, and you lose all benefits granted by it. If you die while attuned to the book, an entity of great evil claims your soul. You can’t be restored to life

cast that spell again from it until the next dawn. Vile Lore. You can reference the Book of Vile Darkness whenever you make an Intelligence check to recall information about some aspect of evil, such as

Boon of Exquisite Radiance

Feats Forgotten Realms: Heroes of Faerûn

reduce to 0 Hit Points can't become Undead. Powerful Radiance. When you make a damage roll that deals Radiant damage, you can instead use the highest number possible for each damage die. Once you use this benefit, you can't do so again until you finish a Long Rest.

Guidance Legacy

Spells Basic Rules (2014)

You touch one willing creature. Once before the spell ends, the target can roll a d4 and add the number rolled to one ability check of its choice. It can roll the die before or after making the ability check. The spell then ends.

Garret Levistusson

Monsters Lost Laboratory of Kwalish

add the number rolled to one ability check, attack roll, or saving throw it makes. The creature can use the inspiration die after the roll is made but before the DM says whether it succeeds or fails

one chosen creature (other than him) a d6 inspiration die. The chosen creature must be within 60 feet of Garret and able to hear him. Once within the next 10 minutes, the creature can roll the die and

Create Homunculus

Spells Xanathar's Guide to Everything

dies if you die. Whenever you finish a long rest, you can spend up to half your Hit Dice if the homunculus is on the same plane of existence as you. When you do so, roll each die and add your

Constitution modifier to it. Your hit point maximum is reduced by the total, and the homunculus’s hit point maximum and current hit points are both increased by it. This process can reduce you to no

Draconian Mage

Monsters Fizban's Treasury of Dragons

. Spellcasting. The draconian casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 12): 1/day each: enlarge/reduce, invisibility

across the battlefield or aid their allies’ incursions and attacks. They have wings that allow them to glide during a fall. When draconian mages die, their flesh shrivels away before their bones

Nether Scroll of Azumar

Magic Items Candlekeep Mysteries

completing this study, you must make a DC 25 Intelligence (Arcana) check. If this check fails, you take 16d10 psychic damage, and you can attempt the check again after another 30 days of concentrated

study. When you succeed on the check, you gain the following benefits: Your Intelligence score increases by 2, to a maximum of 22. Once you gain this benefit, you can’t use this scroll to

Animated Staff of Frost

Monsters Waterdeep: Dungeon of the Mad Mage

to water and is destroyed. Charm. A creature can grab the staff out of the air with a successful grapple check against the staff, and grappling the staff does not reduce the creature's speed. Any

solid surface, doing so with a successful DC 17 Strength (Athletics) check. Breaking the staff in this manner destroys it.Melee Attack. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to

Bozak Draconian

Monsters Dragonlance: Shadow of the Dragon Queen

DC 12): 1/day each: enlarge/reduce, invisibility, stinking cloud, webBozak draconians are born from bronze dragon eggs and wield magic to aid their allies in battle. Their wings aren’t strong

enough for full flight, but bozaks can use them to glide during a fall. When bozaks die, their flesh shrivels away before their bones explode, sending a shower of magical splinters in all directions

Memory Web

Monsters Quests from the Infinite Staircase

18 Intelligence (Investigation) check to discern that the memory web is animate. Memory Flood. When the memory web is reduced to 0 hit points, it discharges any memories it consumed over the past 24

;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Drained Memories"} each time it makes an ability check or attack roll, subtracting the d4 roll from it. Each time the target is memory drained beyond

Oren Yogilvy

Monsters Storm King's Thunder

Halfling Nimbleness. Oren can move through the space of any creature that is of a size larger than his. Lucky. When Oren rolls a 1 on an attack roll, ability check, or saving throw, he can reroll

the die and must use the new roll. Stout Resilience. Oren has advantage on saving throws against poison.Dagger. Melee or Ranged Weapon Attack: +3;{"diceNotation":"1d20+3","rollType":"to hit

Will-o'-Wisp (Variant)

Monsters The Wild Beyond the Witchlight

Constitution saving throw against this magic or die. If the target dies, the will-o’-wisp regains 10 (3d6);{"diceNotation":"3d6","rollType":"heal","rollAction":"Consume Life"} hit points. Ephemeral. The

’s recipient gains a d4;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Magic Boon"} and can, at any time within the next 24 hours, roll this die and add the number rolled to one ability

Inquisitive's Goggles

Magic Items Wayfinder's Guide to Eberron

of Finding. As long as this condition is met, you gain the following benefits. You can add your Intuition die from the Hunter’s Intuition trait of the mark when you make Wisdom (Insight

) checks. When you examine an object, you can make a Wisdom (Perception) check to identify the aura of the last living creature to touch the object. The DC is 13 + the number of days since the last contact

Staff of Fate

Magic Items Candlekeep Mysteries

can expend 1 of the staff's charges to give yourself or one other creature that you can see a d4. The recipient can roll this d4 and add the number rolled to one ability check, attack roll, damage

roll, or saving throw it makes before the start of your next turn. If this extra die is not used before then, it is lost. If you expend the staff's last charge, roll a d20. On a roll of 9 or lower, the

Lucky Legacy

Feats Player’s Handbook (2014)

You have inexplicable luck that seems to kick in at just the right moment. You have 3 luck points. Whenever you make an attack roll, an ability check, or a saving throw, you can spend one luck

point to roll an additional d20. You can choose to spend one of your luck points after you roll the die, but before the outcome is determined. You choose which of the d20s is used for the attack roll

Living Portent

Monsters The Book of Many Things

", "rollAction":"Prophetic Blessing"}, and it gains a prophecy die, a d8. Once during each of the creature’s turns, when it fails an ability check or saving throw or misses an attack roll, it can

roll the prophecy die and add the number rolled to the total, potentially changing the outcome. The blessing ends after 1 hour or when the living portent ends the blessing (no action required) or uses

Carrionette

Monsters Van Richten’s Guide to Ravenloft

creature must succeed on a DC 15 Wisdom (Perception) check to discern that the carrionette is animate. Unusual Nature. The carrionette doesn’t require air, food, drink, or sleep.Silver Needle. Melee

, the target’s speed is reduced by 10 feet, and it must roll a 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Silver Needle"} and subtract the number rolled from each ability check or

Elder Oblex Legacy

Monsters Mordenkainen’s Tome of Foes

undead succeed on the save automatically. While memory drained, the target must roll a d4 and subtract the number rolled from any ability check or attack roll it makes. Each time the target is memory

drained beyond the first, the die size increases by one: the d4 becomes a d6, the d6 becomes a d8, and so on until the die becomes a d20, at which point the target becomes unconscious for 1 hour. The

Adult Oblex Legacy

Monsters Mordenkainen’s Tome of Foes

ability check or attack roll it makes. Each time the target is memory drained beyond the first, the die size increases by one: the d4 becomes a d6, the d6 becomes a d8, and so on until the die becomes a

Spell Form of Erasure

Equipment

’t participate in the ritual loses all memory of the chosen entity, and the entity’s name is erased from all records. On a failure, the GM chooses an entity to be erased. If the check fails by 10 or more, you and all participants are also erased and die.

make a DC 40 Intelligence (Arcana) check, with a bonus equal to the combined level of the expended spell slots. On a success, choose a specific entity. Every sentient being in the timescape who didn

Harp of Gilded Plenty

Magic Items Bigby Presents: Glory of the Giants

harp resizes to suit you. Stalwart Song. Whenever you make a Charisma check while attuned to the harp, you can treat a roll of 9 or lower on the die as a 10. Feast of Plenty. If you spend 10 minutes

speaking, singing, and playing by itself. Whenever you attempt to attune to the harp, you must first make either a DC 15 Charisma (Performance) check or a DC 20 Charisma (Persuasion) check to convince the

Bountiful Luck

Feats Xanathar's Guide to Everything

. Surely a sign of fortune’s favor! When an ally you can see within 30 feet of you rolls a 1 on the d20 for an attack roll, an ability check, or a saving throw, you can use your reaction to let the

ally reroll the die. The ally must use the new roll. When you use this ability, you can’t use your Lucky racial trait before the end of your next turn.

Kalaraq Quori

Monsters Eberron: Rising from the Last War

doesn't reduce its exhaustion. If the cursed target reaches exhaustion level 6, it doesn't die; it instead becomes a thrall under the quori's control, and all its exhaustion is removed. Only the wish spell

Greater Star Spawn Emissary

Monsters Van Richten’s Guide to Ravenloft

a greater, physically overwhelming form. To destroy an emissary, characters must reduce each of its forms to 0 hit points one after another. Typically, a star spawn emissary is initially encountered

form does the star spawn die. After finishing a long rest, a greater star spawn emissary regains its Lesser Star Spawn Emissary;lesser form if it was destroyed. When an emissary transitions from one

Splugoth the Returned

Monsters Acquisitions Incorporated

the weapon cannot be used until the creature succeeds on a DC 12 Strength (Athletics) check as an action to pull it out of Splugoth. Natural weapons can have their attacks negated by this feature, but

you get taken prisoner by a group of sociopathic adventurers who end up letting you die after you save their sorry lives. One minute, you’re a dead goblin named Splug. And then you’re alive

Lesser Star Spawn Emissary

Monsters Van Richten’s Guide to Ravenloft

emissaries can assume two forms: a lesser form suited to infiltration and a greater star spawn emissary;greater, physically overwhelming form. To destroy an emissary, characters must reduce each of

slurry. It then instantly returns in its greater form. Only if the emissary is defeated in its greater form does the star spawn die. After finishing a long rest, a greater star spawn emissary regains

Factol Skall

Monsters Adventure Atlas: The Mortuary

is 5th level or higher, Skall makes an Intelligence check (DC 10 + the spell’s level). On a successful check, the spell fails and has no effect. Whatever the spell’s level, the caster

only leader the faction has ever had. A popular Duster legend holds that other than the Lady of Pain herself, Skall is Sigil’s oldest resident, the first creature to live and die in the City of

Auril (Second Form)

Monsters Icewind Dale: Rime of the Frostmaiden

her to explode and die. A mephit that dies in this way does not use its Death Burst. Instead, each creature within 10 feet of the exploding mephit must succeed on a DC 21 Dexterity saving throw, taking

might prove helpful: So long as she has mortal worshipers, Auril can’t truly die (although the characters can rid the world of her for a time). Thus, she has no reason to capitulate to mortals

Auril (First Form)

Monsters Icewind Dale: Rime of the Frostmaiden

can’t truly die (although the characters can rid the world of her for a time). Thus, she has no reason to capitulate to mortals’ demands. As the embodiment of winter’s cruelty, she is

current weakened state, Auril can assume three different forms. To destroy her, heroes must reduce each of her forms to 0 hit points one after another. After she’s defeated in her third and final

Auril (Third Form)

Monsters Icewind Dale: Rime of the Frostmaiden

. For roleplaying purposes, the following suggestions might prove helpful: So long as she has mortal worshipers, Auril can’t truly die (although the characters can rid the world of her for a

, heroes must reduce each of her forms to 0 hit points one after another. After she’s defeated in her third and final form, Auril dies. As long as she has mortal followers who worship her, however

Deck of Many Things Legacy

Magic Items Basic Rules (2014)

spins anew, allowing you to avoid or erase one event as if it never happened. You can use the card's magic as soon as you draw the card or at any other time before you die. Flames. A powerful devil

with just enough XP to keep your level. Gem. Twenty-five pieces of jewelry worth 2,000 gp each or fifty gems worth 1,000 gp each appear at your feet. Idiot. Permanently reduce your Intelligence by

Book of Vile Darkness Legacy

Magic Items Dungeon Master’s Guide (2014)

in the world. If you fail to perform at least one evil act within the span of 10 days, or if you willingly perform a good act, the book disappears. If you die while attuned to the book, an entity of

can’t use this property again until the next dawn. Dark Lore. You can reference the Book of Vile Darkness whenever you make an Intelligence check to recall information about some aspect of evil

Polukranos

Monsters Mythic Odysseys of Theros

. Whenever Polukranos takes 40 or more damage in a single turn, one of its heads dies. If all its heads die, Polukranos dies. At the end of its turn, it grows two heads for each of its heads that died

turn. Polukranos regains spent legendary actions at the start of its turn. Detect. Polukranos makes a Wisdom (Perception) check. Tail Swipe. Polukranos makes a tail attack. Trampling Charge (Costs

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