Armor Class 15
Hit Points 66 (12d8 + 12)
Speed 30 ft., fly 60 ft.
Skills Deception +9, Insight +5, Perception +5, Persuasion +9, Stealth +7
Damage Resistances cold, fire, poison, psychic
Senses Darkvision 60 ft., passive Perception 15
Languages Abyssal, Common, Infernal; telepathy 60 ft.
Challenge 4
Succubus Form. When the incubus finishes a Long Rest, it can shape-shift into a Succubus, using that stat block instead of this one. Any equipment it's wearing or carrying isn't transformed.
Multiattack. The incubus makes two Restless Touch attacks.
Restless Touch. m +7, reach 5 ft. Hit: 15 (3d6 + 5) Psychic damage, and the target is cursed for 24 hours or until the incubus dies. Until the curse ends, the target gains no benefit from finishing Short Rests.
Nightmare (Recharge 5–6). wis DC 15, one creature the incubus can see within 60 feet. If the target has 20 Hit Points or fewer, it has the Unconscious condition for 1 hour, until it takes damage, or until a creature within 5 feet of it takes an action to wake it. Otherwise, the target takes 18 (4d8) Psychic damage.
Monster Manual (2024), p. 178