both being defeating creature region

Hunger of Hadar

Spells Player’s Handbook

You open a gateway to the Far Realm, a region infested with unspeakable horrors. A 20-foot-radius Sphere of Darkness appears, centered on a point with range and lasting for the duration. The Sphere

within it have the Blinded condition. Any creature that starts its turn in the area takes 2d6 Cold damage. Any creature that ends its turn there must succeed on a Dexterity saving throw or take 2d6 Acid

Book of Exalted Deeds

Magic Items Dungeon Master’s Guide

’s authors filled the pages with their own visions of true virtue, providing guidance for defeating evil. The Book of Exalted Deeds rarely lingers in one place. As soon as the book is read, it

magical nature or translate the benefits it offers to those pure of heart and firm of purpose. A heavy clasp, wrought to look like angel wings, keeps the book’s contents secure. Only a creature

Shadow Dragon (Huge)

Monsters Monster Manual

damage. Shadow Breath (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Shadow Breath"}. Dexterity Saving Throw: DC 17, each creature in a 60-foot Cone. Failure: 35 (10d6

Uses: 3 (4 in Lair). Immediately after another creature’s turn, the dragon can expend a use to take one of the following actions. The dragon regains all expended uses at the start of each of its

Shadow Dragon (Large)

Monsters Monster Manual

damage. Shadow Breath (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Shadow Breath"}. Dexterity Saving Throw: DC 17, each creature in a 60-foot Cone. Failure: 35 (10d6

Uses: 3 (4 in Lair). Immediately after another creature’s turn, the dragon can expend a use to take one of the following actions. The dragon regains all expended uses at the start of each of its

Dracolich (Gargantuan)

Monsters Monster Manual

":"recharge", "rollAction":"Necrotic Breath"}. Constitution Saving Throw: DC 20, each creature in a 60-foot Cone. Failure: 52 (8d12);{"diceNotation":"8d12", "rollType":"damage", "rollAction":"Necrotic

version) 1/Day Each: Create Undead (level 8 version), Finger of DeathLegendary Action Uses: 3 (4 in Lair). Immediately after another creature’s turn, the dracolich can expend a use to take one of

Dracolich

Monsters Monster Manual

":"recharge", "rollAction":"Necrotic Breath"}. Constitution Saving Throw: DC 20, each creature in a 60-foot Cone. Failure: 52 (8d12);{"diceNotation":"8d12", "rollType":"damage", "rollAction":"Necrotic

version) 1/Day Each: Create Undead (level 8 version), Finger of DeathLegendary Action Uses: 3 (4 in Lair). Immediately after another creature’s turn, the dracolich can expend a use to take one of

Imprisonment

Spells Player’s Handbook

You create a magical restraint to hold a creature that you can see within range. The target must make a Wisdom saving throw. On a successful save, the target is unaffected, and it is immune to this

true love, or defeating a specific monster. A Dispel Magic spell can end the spell only if it is cast with a level 9 spell slot, targeting either the prison or the component used to create it.

Demilich

Monsters Monster Manual

"}. Constitution Saving Throw: DC 19, each creature in a 30-foot Emanation originating from the demilich. Failure: 70 (20d6);{"diceNotation":"20d6", "rollType":"damage", "rollAction":"Howl", "rollDamageType

creature’s turn, the demilich can expend a use to take one of the following actions. The demilich regains all expended uses at the start of each of its turns. Energy Drain. Constitution Saving

Arch-hag

Monsters Monster Manual

Escape"} days. When the hag teleports away, each creature within 60 feet of the space it left is cursed. Until the curse ends, a creature has Disadvantage on ability checks and saving throws, and the

":"Force"} Force damage. If the target is a Large or smaller creature, it has the Prone condition. Crackling Wave. Dexterity Saving Throw: DC 22, each creature in a 60-foot Cone. Failure: 32 (5d12

Beholder

Monsters Monster Manual

Unconscious condition for 1 minute. The condition ends if the target takes damage or a creature within 5 feet of it takes an action to wake it. 8: Petrification Ray. Constitution Saving Throw: DC 16

or Success: If the target is a creature and this damage reduces it to 0 Hit Points, it disintegrates into dust. 10: Death Ray. Dexterity Saving Throw: DC 16. Failure: 55 (10d10);{"diceNotation":"10d10

Death Tyrant

Monsters Monster Manual

region containing a death tyrant’s lair is warped by its presence, creating the following effects: Negative Energy Suffusion. Whenever a creature within 1 mile of the lair regains Hit Points from

). Failure: The target has the Unconscious condition for 1 minute. The condition ends if the target takes damage or a creature within 5 feet of it takes an action to wake it. Petrification Ray

Vampire Umbral Lord

Monsters Monster Manual

Action Uses: 3 (4 in Lair). Immediately after another creature’s turn, the vampire can expend a use to take one of the following actions. The vampire regains all expended uses at the start of each

create sanctuaries apart from the living, whether hidden in cosmopolitan cities or sequestered in ruins where they dwelled in life. The region containing a vampire’s lair is warped by its presence

Young Spirit Dragon