• Illumination: The flameskull sheds either dim light in a 15- foot radius, or bright light in a 15-foot radius and dim light for an additional 15 ft.. It can switch between the options as an action.
• Magic Resistance: The flameskull has advantage on saving throws against spells and other magical effects.
• Rejuvenation: If the flameskull is destroyed, it regains all its hit points in 1 hour unless holy water is sprinkled on its remains or a dispel magic or remove curse spell is cast on them.
The flameskull is a 5th-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 13, +5 to hit with spell attacks). It requires no somatic or material components to cast its spells. The flameskull has the following wizard spells prepared: