Here is the stat block for a powerful undead monster in Dungeons & Dragons fifth edition:

Name: Deathlord

Size: Large

Type: Undead

Alignment: Chaotic Evil

Armor Class: 20 (Natural Armor)

Hit Points: 250 (20d10 + 120)

Speed: 50 ft.

STR: 24 (+7)

DEX: 16 (+3)

CON: 22 (+6)

INT: 18 (+4)

WIS: 20 (+5)

CHA: 18 (+4)

Saving Throws: Str +12, Con +11, Wis +12

Skills: Perception +12, Intimidation +11

Damage Immunities: Necrotic, Poison

Condition Immunities: Exhaustion, Poisoned

Senses: Darkvision 120 ft., passive Perception 22

Languages: Common, Abyssal, Infernal

Challenge Rating: 22 (41,000 XP)

Legendary Resistance (3/day): If the deathlord fails a saving throw, it can choose to succeed instead.

Undead Fortitude: If damage reduces the deathlord to 0 hit points, it can make a Constitution saving throw (DC 5 + damage taken). On a success, the deathlord drops to 1 hit point instead.

Actions:

Multiattack: The deathlord can use its Frightening Presence. It then makes three attacks: 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 plus 10 (3d6) necrotic damage.

Claws: Melee Weapon Attack: +12 to hit, reach 5 ft., one target. Hit: 17 (2d10 + 6) slashing damage plus 10 (3d6) necrotic damage.
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