Brain in a Jar
Small Undead, Lawful EvilAC 11
HP 55 (10d6 + 20)
Speed 5 ft., fly 20 ft. (hover), (hover)
STR
1 (-5)
Save -5
DEX
3 (-4)
Save -4
CON
15 (+2)
Save +2
INT
19 (+4)
Save +6
WIS
10 (+0)
Save +0
CHA
15 (+2)
Save +4
Saving Throws INT +6, CHA +4
Condition Immunities Exhaustion, Paralyzed
Senses Blindsight 120 ft., Passive Perception 10
Languages telepathy 60 ft. understands Common plus three other languages but can't speak; telepathy 60 ft.
CR 3
Traits
Detect Intelligence. The brain magically senses the location of any creature within 300 feet of itself that has an Intelligence score of 3 or higher, regardless of interposing barriers.
Magic Resistance. The brain has Advantage on saving throws against spells and other magical effects.
Actions
Multiattack. The brain makes two Disrupting Burst attacks.
Disrupting Burst. Melee or Ranged Attack Roll: +6, reach 5 ft. or range 120 ft. Hit: 11 (2d6 + 4) Psychic damage. The target can't take Reactions until the end of its next turn, and it has Disadvantage on saving throws to maintain Concentration until the end of its next turn.
Mind Blast (Recharge 5+). int 14, each creature in a 60-foot Cone. Failure: 14 (4d6) Psychic damage, and the target has the Incapacitated condition until the end of the brain's next turn. Success: Half damage only.