Nightmare BeastHuge monstrosity, chaotic evilArmor Class 17 (natural armor)Hit Points 202 (15d12 + 1

Nightmare BeastHuge monstrosity, chaotic evilArmor Class 17 (natural armor)Hit Points 202 (15d12 + 105)Speed 30 ft.Str 24, Dex 13, Con 25, Int 8, Wis 13, Cha 11Saving Throws Dex +6, Con +12Damage Resistances bludgeoning, piercing, and slashing from nonmagical attacksCondition Immunities frightenedSenses darkvision 60 ft. passive Perception 11Languages AbyssalChallenge 15 (13000 XP)Augmented Critical. The nightmare beast’s weapon attacks score a critical hit on a roll of 19 or 20.Magic Resistance. The nightmare beast has advantage on saving throws against spells and other magical effects.Nightmares. Humanoids within 10 miles of the nightmare beast that need to sleep are plagued by constant nightmares and can’t gain the benefits of a long rest while they remain in the area.ActionsMultiattack. The nightmare beast makes four attacks: one with its tusks, one with its bite, and two with its claws.Bite. Melee Weapon Attack: +12 to hit, reach 10 ft., one target. Hit: 20 (3d8+7) piercing damage.Tusks. Melee Weapon Attack: +12 to hit, reach 10 ft., one target. Hit: 23 (3d10+7) piercing damage.Claws. Melee Weapon Attack: +12 to hit, reach 10 ft., one target. Hit: 17 (3d6+7) slashing damage.Dread Trample. The nightmare beast moves up to its speed. During this movement, it can move through the spaces of Large or smaller creatures. A creature whose space the nightmare beast enters for the first time on a turn must make a DC 20 Dexterity saving throw, taking 44 (8d10) bludgeoning damage on a failed save, or half as much damage on a successful one. At the end of this movement, it may make one attack with its tusks.The nightmare beast is a terrifying creature with tough dark gray hide with blue, purple, and brown spots splattered across it. Its beady red eyes glow in the dark. The nightmare beast lives in a cave deep in the wastes, picking the region clean of prey before hibernating for a year or more. After awakening, it is often so ravenous that its hunting spree drives all civilized life out of its territory. The nightmare beast does not collect treasure; the only treasure that is usually found in its lair is that which it has eaten in its rush to consume its prey. A nightmare beast stands around 20 feet tall. Its weight is unknown.Originally from the Monster Manual II -- source link

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