based being diameter contain roll

Ankheg

Monsters Monster Manual

Tunneler. The ankheg can burrow through solid rock at half its Burrow Speed and leaves a 10-foot-diameter tunnel in its wake.Bite. Melee Attack Roll: +5;{"diceNotation":"1d20+5", "rollType":"to

Gold Dragon Wyrmling

Monsters Monster Manual

: The target has Disadvantage on Strength-based D20 Test;D20 Tests and subtracts 2 (1d4);{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Weakening Breath"} from its damage rolls. It repeats the

Amphibious. The dragon can breathe air and water.Multiattack. The dragon makes two Rend attacks. Rend. Melee Attack Roll: +6;{"diceNotation":"1d20+6", "rollType":"to hit", "rollAction":"Rend

Otiluke's Resilient Sphere

Spells Player’s Handbook

contain the creature or object inside. An enclosed creature can take an action to push against the sphere’s walls and thus roll the sphere at up to half the creature’s Speed. Similarly, the

Ray of Enfeeblement

Spells Player’s Handbook

A beam of enervating energy shoots from you toward a creature within range. The target must make a Constitution saving throw. On a successful save, the target has Disadvantage on the next attack roll

it makes until the start of your next turn. On a failed save, the target has Disadvantage on Strength-based D20 Test;D20 Tests for the duration. During that time, it also subtracts 1d8 from all its damage rolls. The target repeats the save at the end of each of its turns, ending the spell on a success.

Ring of Shooting Stars

Magic Items Dungeon Master’s Guide

can expend 1 charge to cast Faerie Fire from the ring. Lightning Spheres. You can expend 2 charges as a Magic action to create up to four 3-foot-diameter spheres of lightning. Each sphere appears in

Cover, the sphere discharges lightning at that creature and disappears. That creature makes a DC 15 Dexterity saving throw. On a failed save, the creature takes Lightning damage based on the number of

Young Gold Dragon

Monsters Monster Manual

’t currently affected by this breath in a 30-foot Cone. Failure: The target has Disadvantage on Strength-based D20 Test;D20 Tests and subtracts 3 (1d6);{"diceNotation":"1d6", "rollType":"roll

Amphibious. The dragon can breathe air and water.Multiattack. The dragon makes three Rend attacks. It can replace one attack with a use of Weakening Breath. Rend. Melee Attack Roll: +10

Umber Hulk

Monsters Monster Manual

Tunneler. The umber hulk can burrow through solid rock at half its Burrow Speed and leaves a 10-foot-diameter tunnel in its wake.Multiattack. The umber hulk makes three Rend attacks. Rend. Melee

Attack Roll: +8;{"diceNotation":"1d20+8", "rollType":"to hit", "rollAction":"Rend"}, reach 10 ft. Hit: 12 (2d6 + 5);{"diceNotation":"2d6+5", "rollType":"damage", "rollAction":"Rend", "rollDamageType

Purple Worm

Monsters Monster Manual

Tunneler. The worm can burrow through solid rock at half its Burrow Speed and leaves a 10-foot-diameter tunnel in its wake.Multiattack. The worm makes one Bite attack and one Tail Stinger attack

. Bite. Melee Attack Roll: +14;{"diceNotation":"1d20+14", "rollType":"to hit", "rollAction":"Bite"}, reach 10 ft. Hit: 22 (3d8 + 9);{"diceNotation":"3d8+9", "rollType":"damage", "rollAction":"Bite

Gelatinous Cube

Monsters Monster Manual

creature hasn’t witnessed the cube move or otherwise act.Pseudopod. Melee Attack Roll: +4;{"diceNotation":"1d20+4", "rollType":"to hit", "rollAction":"Pseudopod"}, reach 5 ft. Hit: 12 (3d6 + 2

. The cube can move through the spaces of Large or smaller creatures if it has room inside itself to contain them (see the Ooze Cube trait). Dexterity Saving Throw: DC 12, each creature whose space

Iron Bands of Bilarro

Magic Items Dungeon Master’s Guide

This rusty iron sphere measures 3 inches in diameter and weighs 1 pound. You can take a Magic action to throw the sphere at a Huge or smaller creature you can see within 60 feet of yourself. As the

sphere moves through the air, it opens into a tangle of metal bands. Make a ranged attack roll with an attack bonus equal to your Dexterity modifier plus your Proficiency Bonus. On a hit, the target

Summon Fey

Spells Player’s Handbook

number of Fey Blade attacks equal to half this spell’s level (round down). Fey Blade. Melee Attack Roll: Bonus equals your spell attack modifier, reach 5 ft. Hit: 2d6 + 3 + the spell’s level

Force damage. Bonus Actions Fey Step. The spirit magically teleports up to 30 feet to an unoccupied space it can see. Then one of the following effects occurs, based on the spirit’s chosen mood

Adult Gold Dragon

Monsters Monster Manual

three Rend attacks. It can replace one attack with a use of (A) Spellcasting to cast Guiding Bolt (level 2 version) or (B) Weakening Breath. Rend. Melee Attack Roll: +14;{"diceNotation":"1d20+14

, each creature that isn’t currently affected by this breath in a 60-foot Cone. Failure: The target has Disadvantage on Strength-based D20 Test;D20 Tests and subtracts 3 (1d6);{"diceNotation":"1d6

Ancient Gold Dragon

Monsters Monster Manual

three Rend attacks. It can replace one attack with a use of (A) Spellcasting to cast Guiding Bolt (level 4 version) or (B) Weakening Breath. Rend. Melee Attack Roll: +17;{"diceNotation":"1d20+17

Weakening Breath. Strength Saving Throw: DC 24, each creature that isn’t currently affected by this breath in a 90-foot Cone. Failure: The target has Disadvantage on Strength-based D20 Test;D20 Tests

Staff of the Woodlands

Magic Items Dungeon Master’s Guide

is 60 feet tall and has a 5-foot-diameter trunk, and its branches at the top spread out in a 20-foot radius. The tree appears ordinary but radiates a faint aura of Transmutation magic that can be

. Regaining Charges. The staff regains 1d6 expended charges daily at dawn. If you expend the last charge, roll 1d20. On a 1, the staff loses its properties and becomes a nonmagical Quarterstaff.

Hat of Many Spells

Magic Items Dungeon Master’s Guide

out of the hat. Roll 1d4 to determine the object: on a 1, a vial of Acid; on a 2, a flask of Alchemist's Fire; on a 3, a Crowbar; on a 4, a lit Torch. 66–70 You suffer a bout of “magic

the hat. Roll 1d4 to determine the object: on a 1, a Dagger; on a 2, a Rope with a Grappling Hook tied to one end; on a 3, a bag of Caltrops; on a 4, a gem worth 50 GP. 81–85 A creature

Ankheg (Stranger Things)

Monsters Stranger Things: Welcome to the Hellfire Club

Tunneler. The ankheg can burrow through solid rock at half its Burrow Speed and leaves a 10-foot-diameter tunnel in its wake.Bite. Melee Attack Roll: +5 (with Advantage if the target is Grappled by

Deep Dragon Wyrmling