Thought Eater

A thought eater is an ethereal stalker that feeds on the minds of other creatures. It especially savors the minds of psychic creatures and will target them above nonpsychic creatures.

It has transparent, ethereal flesh that makes it look skeletal. Its head is chicken like, but its body is more similar to a predatory mammal.

Ethereal Striker. A thought eater waits on the Ethereal Plane until it finds prey. It will swiftly enter the Material Plane to attack its target’s mind. If it feels it has the advantage, it will use its powers to subdue threats to continue feasting on the mind of its prey. If pressed, it will retreat to the Ethereal Plane and rely on hit and run attacks until it is sated or driven away.

Thought Eater

Small aberration, neutral

Armor Class 15 (natural armor)
Hit Points 24 (7d6)
Speed 40 ft.

Skills Perception +3, Stealth +6
Senses darkvision 60 ft., passive Perception 13
Languages —
Challenge 1 (200 XP)                              Proficiency Bonus +2

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Ethereal Sight. The thought eater can see 60 feet into the Ethereal Plane when it is on the Material Plane, and vice versa.

Innate Powers. After manifesting a psionic power, the thought eater can take a bonus action to regain half of the power points spent on that power (rounded up).

Power Manifesting. The thought eater is a 3rd-level manifester. Its manifesting ability is Charisma (power save DC 12, +4 to hit with power attacks). It has 10 power points to spend on the following powers: bastion of thought, chameleon, ego whip, extrasensory perception, mental barrier, muddle, precognition.

Actions

Eat Thoughts. Melee Power Attack: +6 to hit, reach 5 ft., one target. Hit: 5 (1d6 + 2) psychic damage, and the target’s Intelligence score is reduced by 1d4. The target dies if this reduces its Intelligence to 0. Otherwise, the reduction lasts until the target finishes a short or long rest.

Ethereal Jaunt. The thought eater enters the Ethereal Plane from the Material Plane, or vice versa. When exiting the Ethereal Plane, the thought eater can use eat thoughts against a creature within 5 feet of it.