See also: Tentacle Whip (Displacer Beast)
Tentacle Whip is a melee attack used by Illithids which inflicts 
Psychic damage and possibly Stuns a target.
Description
Lash out with your tentacles and possibly Stun your target.
Properties
- Cost:
-
Action - Damage:
-
2d10 + 4 (6~24) Psychic - Details:
-
Attack roll -
Melee: 1.5 m / 5 ft -
INT Save (DC 14)
Full-Illithid variant
- Instead deals . 3d10 + 5 (8~35) Psychic
Condition: Stunned
Duration: 1 turn
DC 14 Intelligence saving throw
- Cannot move or take Actions,
Bonus actions, or 
Reactions. - Affected creature automatically fails Strength and Dexterity saving throws.
- Removed by Freedom of Movement, Greater Restoration, Unshackling Strike.
How to learn
Used by creatures: Illithid, The Emperor, and Full-Illithid