before becoming deal current rating

Stonemelder

Monsters Princes of the Apocalypse

Death Burst. When the stonemelder dies, it turns to stone and explodes in a burst of rock shards, becoming a smoking pile of rubble. Each creature within 10 feet of the exploding stonemelder must

":"1d6+2","rollType":"damage","rollAction":"Black Earth Rod","rollDamageType":"bludgeoning"} bludgeoning damage. The stonemelder can also expend a spell slot to deal extra damage, dealing 2d8

Yuan-ti Mind Whisperer Legacy

Monsters Volo's Guide to Monsters

transformed. If it dies, it stays in its current form. Innate Spellcasting (Yuan-ti Form Only). The yuan-ti's innate spellcasting ability is Charisma (spell save DC 13). The yuan-ti can innately cast the

magical effects. Mind Fangs (2/Day). The first time the yuan-ti hits with a melee attack on its turn, it can deal an extra 16 (3d10);{"diceNotation":"3d10","rollType":"damage","rollAction":"Mind Fangs

Thessalar

Monsters Infernal Machine Rebuild

Toxicity. Any magic item that restores hit points and can be applied to a piercing or slashing weapon (a potion, an ointment, and so forth) causes a hit with that weapon to deal extra damage to Thessalar

of life, resulting in such creatures as the thessalhydra and the owlbear. In recent years, he has also researched the prolonging of life—namely his own. Thessalar hopes that by becoming a lich

Doric

Monsters Thieves’ Gallery

Neverwinter targeted her woodland home for its resources, Doric rallied the resistance.FireChange Shape (5/Day). Doric magically transforms into a Beast with a challenge rating of 3 or less or into an

, except she keeps her current hit points, her hit point maximum, this bonus action, her alignment, and her Intelligence, Wisdom, and Charisma scores.

Archdruid

Monsters Mordenkainen Presents: Monsters of the Multiverse

Elemental with a challenge rating of 6 or less and can remain in that form for up to 9 hours. The archdruid can choose whether its equipment falls to the ground, melds with its new form, or is worn by the

is replaced by the stat block of that form, except the archdruid keeps its current hit points, its hit point maximum, this bonus action, its languages and ability to speak, and its Spellcasting action

Shapechange Legacy

Spells Basic Rules (2014)

You assume the form of a different creature for the duration. The new form can be of any creature with a challenge rating equal to your level or lower. The creature can't be a construct or an undead

rules for the original form, with one exception: if your new form has more hit points than your current one, your hit points remain at their current value.

White Dragon Mask

Magic Items Tyranny of Dragons

, you can choose to succeed instead. Winter’s Fury. While your current hit points are equal to or less than half your hit point maximum, you deal an extra 1d8 cold damage with your melee attacks.

Knight of Eldraine

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

’s virtue. In some courts, the final step to becoming a knight involves being judged by that court’s relic. Each court believes the virtue associated with its own relic is paramount, though

. Knights of Eldraine channel their devotion to the virtues of the realm into magical power that infuses their attacks. Most knights deal extra radiant damage with these attacks, but some knights

Undercity Medusa

Monsters Guildmasters’ Guide to Ravnica

at the end of its next turn, becoming petrified on a failure or ending the effect on a success. The petrification lasts until the creature is freed by a greater restoration spell or similar magic.The

dreams of one day reclaiming control of the Golgari Swarm, or at least causing pain to its current guildmaster, Jarad Vod Savo (whose own sister displaced the medusas from their position).

Hexblood

Species Van Richten’s Guide to Ravenloft

and avoid the same. While many hexbloods gain their lineage after making a deal with a hag, others reveal their nature as they age—particularly if a hag influenced them early in life or even

lost hag. 4 You were cursed as a child. A deal with the spirits of the forest transformed you into a hexblood, now free of the curse. 5 You began life as a fey creature, but an accident

Marlos Urnrayle

Monsters Princes of the Apocalypse

its next turn, becoming petrified on a failure or ending the effect on a success. The petrification lasts until the creature is freed by the greater restoration spell or other magic. Unless surprised

while Ogrémoch isn’t, Marlos can take lair actions and has a challenge rating of 12. On initiative count 20 (losing initiative ties), Marlos uses a lair action to cast earthquake without using

Potion of Giant Size

Magic Items Storm King's Thunder

, and your hit point maximum is doubled (your current hit points are doubled when you drink the potion). In addition, the reach of your melee attacks increases by 5 feet. Everything you are carrying

and wearing also increases in size for the duration. When rolling damage for weapons enlarged in this manner, roll three times the normal number of dice; for example, an enlarged longsword would deal

Lich Legacy

Monsters Basic Rules (2014)

":"1d10","rollType":"roll","rollAction":"Days"} days, regaining all its hit points and becoming active again. The new body appears within 5 feet of the phylactery. Spellcasting. The lich is an 18th-level

, emerging to destroy those who dare to disturb the lich’s work. A lich encountered in its lair has a challenge rating of 22 (41,000 XP). Lair Actions On initiative count 20 (losing initiative

Juvenile Kraken

Monsters Ghosts of Saltmarsh

","rollAction":"Ink Cloud","rollDamageType":"poison"} poison damage on a failed save or half as much damage on a successful one. A strong current disperses the cloud, which otherwise disappears at the end of

the kraken’s next turn.Hidden in a deep, dark underwater pit near the Styes, this creature bears the mark of the dark god Tharizdun’s madness. Becoming more independent every day, it

Mask of the Dragon Queen

Magic Items Tyranny of Dragons

Dragon Mask Only). While your current hit points are equal to or less than half your hit point maximum, you deal an extra 1d8 cold damage with your melee attacks.

saving throw, you can choose to succeed instead. Dragon Fire (Red Dragon Mask Only). If you deal fire damage to a creature or flammable object, it starts burning. At the start of each of its turns, a

Yuan-ti Nightmare Speaker Legacy

Monsters Volo's Guide to Monsters

transformed. If it dies, it stays in its current form. Death Fangs (2/Day). The first time the yuan-ti hits with a melee attack on its turn, it can deal an extra 16 (3d10);{"diceNotation":"3d10

Demilich (Variant) Legacy

Monsters Monster Manual (2014)

souls of the insolent intruders to his tomb, magically transferring them to his phylactery. Liches who follow Acererak’s path believe that by becoming free of their bodies, they can continue

its existence. Few liches seek to become demiliches, for it means an end to the existence they hoped to preserve by becoming undead. However, time can erode the lich’s reason and memory, causing

Mummy Lord Legacy

Monsters Basic Rules (2014)

, regaining all its hit points and becoming active again. The new body appears within 5 feet of the mummy lord's heart. Spellcasting. The mummy lord is a 10th-level spellcaster. Its spellcasting ability

rigged with traps. Hidden in this temple is the sarcophagus where a mummy lord keeps its greatest treasures. A mummy lord encountered in its lair has a challenge rating of 16 (15,000 XP). Lair Actions

Arcturia

Monsters Waterdeep: Dungeon of the Mad Mage

":"1d10","rollType":"roll","rollAction":"Rejuvenation"} days, regaining all its hit points and becoming active again. The new body appears within 5 feet of the phylactery. Spellcasting. The lich is an 18th

recesses, emerging to destroy those who dare to disturb the lich’s work. A lich encountered in its lair has a challenge rating of 22 (41,000 XP). Lair Actions On initiative count 20 (losing

Enchanting Infiltrator

Monsters The Book of Many Things

’s a hidden thieves’ guildhall or a lavish manse. The lair is filled with clever defenses to disorient, weaken, and kill intruders. The villain’s challenge rating increases while the

on the Insight, Perception, and Persuasion skills. Potent Toxins. When members of the villain’s organization deal poison damage while within 3 miles of the lair, they ignore the target’s

Storm Giant Quintessent Legacy

Monsters Volo's Guide to Monsters

of its turns, becoming a giant once more and appearing in any location it chooses within its lair. While dispersed, the giant can't take any actions other than lair actions, and it can't be targeted

be dispersed by wind. The giant creates a 60-foot-long, 10-foot-wide line of strong wind (or strong current within water) originating from a point anywhere in its lair. Each creature in that line must

Valindra Shadowmantle Legacy

Monsters Tomb of Annihilation

;{"diceNotation":"1d10","rollType":"roll","rollAction":"Rejuvenation"} days, regaining all its hit points and becoming active again. The new body appears within 5 feet of the phylactery. Spellcasting

the lich’s work. A lich encountered in its lair has a challenge rating of 22 (41,000 XP). Lair Actions On initiative count 20 (losing initiative ties), the lich can take a lair action to cause

Diderius

Monsters Tyranny of Dragons

points and becoming active again. The new body appears within 5 feet of Diderius’s heart. Spellcasting. Diderius is a 10th-level spellcaster. His spellcasting ability is Intelligence (spell

encountered in its lair has a challenge rating of 16 (15,000 XP). Lair Actions On initiative count 20 (losing initiative ties), the mummy lord takes a lair action to cause one of the following effects

Otherworldly Corrupter

Monsters The Book of Many Things

kill intruders. The villain’s challenge rating increases while the villain is in this lair: Otherworldly Corrupter. Challenge 18 (20,000 XP) Lair Actions On initiative count 20 (losing

villain’s organization have disadvantage on ability checks that rely on the Insight, Perception, and Persuasion skills. Potent Toxins. When members of the villain’s organization deal poison

Ambitious Assassin

Monsters The Book of Many Things

;s a hidden thieves’ guildhall or a lavish manse. The lair is filled with clever defenses to disorient, weaken, and kill intruders. The villain’s challenge rating increases while the

Insight, Perception, and Persuasion skills. Potent Toxins. When members of the villain’s organization deal poison damage while within 3 miles of the lair, they ignore the target’s resistance

Amethyst Greatwyrm

Monsters Fizban's Treasury of Dragons

Gem Awakening (Recharges after a Short or Long Rest). If the greatwyrm would be reduced to 0 hit points, its current hit point total instead resets to 400 hit points, it recharges its Breath Weapon

direction, but not beyond 120 feet of itself. In addition, it can choose any number of creatures restrained in this way and deal 45 (7d12);{"diceNotation":"7d12","rollType":"damage","rollAction":"Mass

Crystal Greatwyrm

Monsters Fizban's Treasury of Dragons

Gem Awakening (Recharges after a Short or Long Rest). If the greatwyrm would be reduced to 0 hit points, its current hit point total instead resets to 400 hit points, it recharges its Breath Weapon

direction, but not beyond 120 feet of itself. In addition, it can choose any number of creatures restrained in this way and deal 45 (7d12);{"diceNotation":"7d12","rollType":"damage","rollAction":"Mass

Ancient Dragon Turtle

Monsters Fizban's Treasury of Dragons

Amphibious. The dragon turtle can breathe air and water Blessing of the Sea (Recharges after a Short or Long Rest). If the dragon turtle would be reduced to 0 hit points, its current hit point total

and talk endlessly with sailors and adventurers to stay current on the latest happenings on land. Dragon Turtle Ideals d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Ideal

Emerald Greatwyrm

Monsters Fizban's Treasury of Dragons

Gem Awakening (Recharges after a Short or Long Rest). If the greatwyrm would be reduced to 0 hit points, its current hit point total instead resets to 400 hit points, it recharges its Breath Weapon

direction, but not beyond 120 feet of itself. In addition, it can choose any number of creatures restrained in this way and deal 45 (7d12);{"diceNotation":"7d12","rollType":"damage","rollAction":"Mass

Exethanter

Monsters Curse of Strahd

":"1d10","rollType":"roll","rollAction":"Rejuvenation"} days, regaining all its hit points and becoming active again. The new body appears within 5 feet of the phylactery. Spellcasting. Exethanter is an

its lair has a challenge rating of 22 (41,000 XP). Lair Actions On initiative count 20 (losing initiative ties), Exethanter can take a lair action to cause one of the following magical effects

Storm Giant Quintessent

Monsters Mordenkainen Presents: Monsters of the Multiverse

, dispersing itself into the storm surrounding its lair. The giant can end this effect at the start of any of its turns, becoming a giant once more and appearing in any location it chooses within its lair

, 10-foot-wide line of strong wind (or strong current within water) originating from a point anywhere in its lair. Each creature in that line must succeed on a DC 18 Strength saving throw or be pushed

Staff of the Forgotten One

Magic Items Tomb of Annihilation

(History) checks is doubled. You can’t be blinded, charmed, deafened, frightened, petrified, or stunned. Undead with a challenge rating of 2 or lower will neither threaten nor attack you unless

force tries to possess the staff wielder. The wielder must succeed on a DC 20 Charisma saving throw or be possessed, becoming an NPC under the DM’s control. If the intruding life force is targeted

Sapphire Greatwyrm

Monsters Fizban's Treasury of Dragons

Gem Awakening (Recharges after a Short or Long Rest). If the greatwyrm would be reduced to 0 hit points, its current hit point total instead resets to 400 hit points, it recharges its Breath Weapon

direction, but not beyond 120 feet of itself. In addition, it can choose any number of creatures restrained in this way and deal 45 (7d12);{"diceNotation":"7d12","rollType":"damage","rollAction":"Mass

Topaz Greatwyrm

Monsters Fizban's Treasury of Dragons

Gem Awakening (Recharges after a Short or Long Rest). If the greatwyrm would be reduced to 0 hit points, its current hit point total instead resets to 400 hit points, it recharges its Breath Weapon

direction, but not beyond 120 feet of itself. In addition, it can choose any number of creatures restrained in this way and deal 45 (7d12);{"diceNotation":"7d12","rollType":"damage","rollAction":"Mass

Azuredge

Magic Items Waterdeep: Dragon Heist

Forged by the archwizard Ahghairon, this intelligent battleaxe was crafted to defend Waterdeep. Its current wielder is a former member of Force Grey named Meloon Wardragon (see appendix B), but the

defense against the axe, which passes through that spell’s barrier of magical force. When you hit a fiend or an undead with the axe, cold blue flames erupt from its blade and deal an extra 2d6

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