Flameskull

Tiny Undead, Neutral Evil

AC: 13

Initiative: +3 (13)

HP: 40 (9d4 + 18)

Speed: 5 ft., fly 40 ft. (hover)

STR
1 (-5)
DEX
17 (+3)
CON
14 (+2)
INT
16 (+3)
WIS
10 (+0)
CHA
11 (+0)

Skills: Arcana +5, Perception +2

Immunities: fire; necrotic; poison

Condition Immunities: charmed; exhaustion; frightened; paralyzed; poisoned; prone

Senses: Darkvision 60 ft., Passive Perception 12

Languages: Common plus two other languages

CR: 4 (XP 1,100; PB +2)

Habitat: Underdark

Treasure: Arcana

Illumination.

The flameskull sheds Bright Light in a 15-foot radius and Dim Light for an additional 15 feet.

Magic Resistance.

The flameskull has Advantage on saving throws against spells and other magical effects.

Undead Restoration.

If the flameskull is destroyed, it regains all its Hit Points in 1 hour unless Holy Water is sprinkled on its remains or the Dispel Evil and Good spell is cast on them.

Spellcasting.

The flameskull casts one of the following spells, requiring no Somatic or Material components and using Intelligence as the spellcasting ability (spell save DC 13):

At will: Mage Hand

1/day: Fireball

2/day: Magic Missile (level 2 version)

Actions

Multiattack.

The flameskull makes two Fire Ray attacks.

Fire Ray.

Melee or Ranged Attack Roll: +5, reach 5 ft. or range 60 ft. Hit: 13 (3d6 + 3) Fire damage.

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Flameskull

Source: Monster Manual (2025), p. 120 - Licenses and attribution