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Demonomicon of Iggwilv

Magic Items Dungeon Master’s Guide

This treatise, composed by Iggwilv the archmage, documents the Abyss;Abyss's layers and inhabitants and is widely regarded as the most thorough and blasphemous tome of demonology in the multiverse

lies a long-lost Artifact, Fraz-Urb’luu’s Staff. If the staff is dragged from the pocket plane, the tome is reduced to a mundane and out-of-date copy of the Tome of Zyx, the work that

Rubblebelt Stalker

Monsters Guildmasters’ Guide to Ravnica

action as a bonus action on each of its turns. Ruin Dweller. The stalker has advantage on Dexterity (Stealth) checks made to hide in ruins, and its speed is not reduced in difficult terrain composed

Divers Armor

Equipment

While wearing divers armor your movement is reduced by 10, unless your Strength score is equal to or greater than 18. Additionally, whenever the spell Water Breathing is cast on you while wearing the divers armor, the duration of the spell is doubled for you.

Seth the Shapeshifting Dragon

Monsters Misplaced Monsters: Volume One

). This transformation ends if Seth is reduced to 0 hit points or uses another bonus action to end it. Superspeed (2/Day). Seth’s speed is doubled for as long as he maintains concentration (as if

Bheur Hag

Monsters Mordenkainen Presents: Monsters of the Multiverse

graystaff. Ice Walk. The hag can move across and climb icy surfaces without needing to make an ability check, and difficult terrain composed of ice or snow doesn’t cost the hag extra

+ 3);{"diceNotation":"6d8+3", "rollType":"damage", "rollAction":"Frost Shard", "rollDamageType":"cold"} cold damage, and the target’s speed is reduced by 10 feet until the start of the hag’s

Tomb Tapper

Monsters Icewind Dale: Rime of the Frostmaiden

Petrified Death. A tomb tapper reduced to 0 hit points turns into a lifeless stone statue. Anything it's wearing or carrying is not transformed. Sense Magic. The tomb tapper senses magic within 30

, hairless warriors stands 15 to 21 feet tall and possesses a lust for magic, an inherited memory (composed of recollections from the souls sacrificed in their creation), and an insane hatred for

Deadbark Dryad

Monsters Vecna: Eve of Ruin

Bramble Walk. Difficult terrain composed of vegetation, such as foliage or thorns, doesn’t cost the dryad extra movement. Magic Resistance. The dryad has advantage on saving throws against

condition. All vines immediately wither and disappear when the dryad is reduced to 0 hit points. Spellcasting. The dryad casts one of the following spells, requiring no material components and using

Janky Koboldzilla

monsters

some of its armour plating. Its AC is reduced to 18, its walking speed is doubled, and its Dexterity increases to 20 (+5);{"diceNotation":"1d20+5","rollType":"roll","rollAction":"Loose Plating

Apotheosis (Recharges after a Short or Long Rest). If the koboldzilla would be reduced to 0 hit points, its current hit point total instead resets to 145 hit points, it recharges its Dragon Breath

Koboldzilla

monsters

loses some of its armour plating. Its AC is reduced to 19, its walking speed is doubled, and its Dexterity increases to 20 (+5);{"diceNotation":"1d20+5", "rollType":"roll", "rollAction":"Loose Plating

Apotheosis (Recharges after a Short or Long Rest). If the koboldzilla would be reduced to 0 hit points, its current hit point total instead resets to 310 hit points, it recharges its Dragon Breath

Tuned Koboldzilla

monsters

loses some of its armour plating. Its AC is reduced to 20, its walking speed is doubled, and its Dexterity increases to 20 (+5);{"diceNotation":"1d20+5", "rollType":"to hit", "rollAction":"Loose Plating

Apotheosis (Recharges after a Short or Long Rest). If the koboldzilla would be reduced to 0 hit points, its current hit point total instead resets to 462 hit points, it recharges its Dragon Breath

Resistance and Vulnerability

Compendium - Sources->Dungeons & Dragons->D&D Beyond Basic Rules

damage and Vulnerability to Fire damage, and it’s within a magical aura that reduces all damage by 5. If it takes 28 Fire damage, the damage is first reduced by 5 (to 23), then halved for the creature’s Resistance (and rounded down to 11), then doubled for its Vulnerability (to 22).