Skull Lord

Medium undead (sorcerer), Lawful Evil

Armor Class18 (plate armor)
Hit Points112 (15d8 + 45)
Speed30 ft.
STRDEXCONINTWISCHA
14 (+2) 16 (+3) 17 (+3) 16 (+3) 15 (+2) 21 (+5)
Saving Throws—
SkillsAthletics +7, History +8, Perception +12, Stealth +8
Damage Vulnerabilities—
Damage Resistancescold; necrotic; bludgeoning, piercing, slashing from nonmagical attacks
Damage Immunitiespoison
Condition Immunitiesblinded; charmed; deafened; exhaustion; frightened; poisoned; stunned; unconscious
Sensesdarkvision 60 ft., passive Perception 22
Languagesall the languages it knew in life
Challenge15

Traits

Evasion.

If the skull lord is subjected to an effect that allows it to make a Dexterity saving throw to take only half the damage, the skull lord instead takes no damage if it succeeds on the saving throw and only half damage if it fails, provided it isn't incapacitated.

Legendary Resistance (3/Day).

If the skull lord fails a saving throw, it can choose to succeed instead.

Master of the Grave.

While within 30 feet of the skull lord, any Undead ally of the skull lord makes saving throws with advantage, and that ally regains 1d6 hit points whenever it starts its turn there.

Unusual Nature.

The skull lord doesn't require air, food, drink, or sleep.

Actions

Multiattack.

The skull lord makes three Bone Staff or Deathly Ray attacks.

Bone Staff.

Melee Attack Roll: +8 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 3) bludgeoning damage plus 21 (6d6) necrotic damage.

Deathly Ray.

Ranged Spell Attack Roll: +10 to hit, range 60 ft., one target. Hit: 27 (5d8 + 5) necrotic damage.

Legendary Actions

Attack.

The skull lord makes one Bone Staff or Deathly Ray attack.

Move.

The skull lord moves up to its speed without provoking opportunity attack.

Summon Undead (Costs 2 Actions).

The skull lord summons up to five skeleton or zombie in unoccupied spaces within 30 feet of it. They remain until destroyed. Undead summoned in this way roll initiative, act in the next available turn, and obey the skull lord. The skull lord can have no more than five Undead summoned by this ability at a time.

Spellcasting

The skull, lord casts one of the following spells, using Charisma as the spellcasting ability (spell save DC 18):

At will: mage hand, message

2 each/day: dimension door, fear

1 each/day: cloudkill, cone of cold