Legendary Resistance (3/day). If the brainstealer dragon fails a saving throw, it can choose to succeed instead.
Magic Resistance. The brainstealer dragon has advantage on saving throws against spells and other magical effects.
Innate Spellcasting(Psionics). The brainstealer dragon’s innate spellcasting ability is Intelligence (spell save DC 21). It can innately cast the following spells, requiring no components:
At will: command, detect thoughts, levitate, telekinesis
1/day each: dominate monster, plane shift (self only), wall of force
Multiattack. The brainstealer dragon can use its Frightful Presence. It then makes three attacks: one with its tentacles and two with its claws.
Tentacles. Melee Weapon Attack: +17 to hit, reach 15 ft., one target. Hit: 20 (2d10 + 9) bludgeoning damage plus 11 (2d10) psychic damage. If the target is Huge or smaller, it is grappled (escape DC 21) and must succeed on a DC 21 Intelligence saving throw or be stunned until this grapple ends.
Claw. Melee Weapon Attack: +17 to hit, reach 10 ft., one target. Hit: 17 (2d6 + 10) slashing damage.
Tail. Melee Weapon Attack: +17 to hit, reach 20 ft., one target. Hit: 19 (2d8 + 10) bludgeoning damage.
Extract Brain. Melee Weapon Attack: +17 to hit, reach 25ft., one incapacitated humanoid grappled by the brainstealer dragon. Hit 88 (16d10) piercing damage. If this damage reduces the target to 0 hit points, the brainstealer dragon kills the target by extracting and devouring its brain.
Frightful Presence Each creature of the brainstealer dragon's choice that is within 120 feet of the dragon and aware of it must succeed on a DC 21 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the dragon's Frightful Presence for the next 24 hours.
Mind Blast (Recharge 5–6). The brainstealer dragon magically emits psychic energy in a 90 ft. cone. Each creature in that area must succeed on a DC 21 Intelligence saving throw or take 72 (16d8) psychic damage and be stunned for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.
The brainstealer dragon can take 3 legendary actions, choosing from the options below. It can take only one legendary action at a time and only at the end of another creature’s turn. The brainstealer dragon regains spent legendary actions at the start of its turn
Detect. The brainstealer dragon makes a Wisdom (Perception) check.
Tail Attack. The brainstealer dragon makes a tail attack.
Tentacles (Costs 2 actions). The brainstealer dragon makes a tentacle attack.
Psionic Reposition (costs 2 actions). A psychic pulse emanates from the dragon. Each creature within 10 ft. of the brainstealer dragon must succeed on a DC 21 Intelligence saving throw. On a failed save, the creature takes take 12 (2d6+5) psychic damage and can’t take reactions until the start of their next turn. Then, the brainstealer dragon and any creature grappled by its tentacles teleport up to 40 ft.
Description
A brainstealer dragon is created when a mind flayer tadpole is inserted into the brain of a captured dragon, through a process called ceremorphosis. Ceremorphosis usually fails on non-humanoid hosts, meaning brainstealer dragon's are very rare. However, when the process is successful the monster created is a deadly combination- incredible power and intellect... with an insatiable hunger for brains.
Lair and Lair Actions
Brainstealer dragons often dwell in the deep, dark places of the world. They commonly make their lairs in the underdark, or at the center of vast cave systems with access to the ocean. Due to their nature, the area surrounding their lair becomes drenched in psychic energy, and tends to attract weak willed beings whom the dragon will happily use as minions, or sustenance.
Lair Actions
On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row:
- A stalagmite falls from the ceiling from a point the brainstealer dragon can see within 120 feet, creating a 10-foot-radius of falling rock. Each creature in the area must make a DC 15 Dexterity saving throw, taking 27 (6d8) bludgeoning damage on a failed save, or half as much damage on a successful one. The area is filled with rubble and becomes difficult terrain.
- A psychic blast reverberates, as an ear piercing warble, throughout the lair, around the brainstealer dragon in a 60-foot-radius. Each creature, other than the brainstealer dragon, must succeed on a DC 15 Intelligence saving throw, taking 18 (4d8) psychic damage and deafened for 1 minute on a failed save, or half as much damage on a successful save and the creature isn't deafened. The creature can repeat the saving throw each round to end the deafened condition.
- The brainstealer dragon's thrall joins the battle. 2 creatures of the brainstealer dragon's thrall reveal themselves from some unseen area of the lair between 100 feet and 30 feet away from the brainstealer dragon. These creatures may be drow or dwarves, depending on the lair and thrall, but they should not have higher than a challenge rating of 1 each.
Regional Effects
The region containing a legendary brainstealer dragon’s lair is warped by the by the brainstealer dragon's psionics, which creates one or more of the following effects:
- Creatures with an Intelligence score of 4 or higher find that they are able to communicate telepathically with one another. The brainstealer dragon is able to hear all mental communications.
- A faint hum can be heard mentally within 5 miles of the brainstealer dragon’s lair. The closer a creature gets to the lair, the louder the hum becomes.
- Cavern walls within 5 miles of the dragon’s lair are unnaturally smooth and slick with a thin layer of mucus.
If the brainstealer dragon dies, these effects end immediately, but the cavern walls remain smooth.
Previous Versions
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8/20/2021 12:39:20 PM
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Coming Soon
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