Balor
huge fiend, chaotic evil
AC 19
Initiative +2 (12)
HP 287 (23d12 + 138)
Speed 40 ft., Fly 80 ft.
Skills Perception +9
Resistances cold, lightning
Immunities fire, poison, charmed, frightened, poisoned
Senses Truesight 120 ft. Passive Perception 19
Languages Abyssal, telepathy 120 ft.
CR 19 (XP 22,000; PB +6)
Death Throes. The balor explodes when it dies. Dexterity Saving Throw: DC 20, each creature in a 30-foot Emanation originating from the balor. Failure: 31 (9d6) Fire damage plus 31 (9d6) Force damage. Success: Half damage. Failure or Success: If the balor dies outside the Abyss, it gains a new body instantly, reviving with all its Hit Points somewhere in the Abyss.
Fire Aura. At the end of each of the balor's turns, each creature in a 5-foot Emanation originating from the balor takes 13 (3d8) Fire damage.
Legendary Resistance (3/Day). If the balor fails a saving throw, it can choose to succeed instead.
Magic Resistance. The balor has Advantage on saving throws against spells and other magical effects.
Actions
Flame Whip. Melee Attack Roll: +14, reach 30 ft. 18 (3d6 + 8) Force damage plus 17 (5d6) Fire damage. If the target is a Huge or smaller creature, the balor pulls the target up to 25 feet straight toward itself, and the target has the Prone condition.
Lightning Blade. Melee Attack Roll: +14, reach 10 ft. 21 (3d8 + 8) Force damage plus 22 (4d10) Lightning damage, and the target can't take Reactions until the start of the balor's next turn.
Multiattack. The balor makes one Flame Whip attack and one Lightning Blade attack.
Balor is from the System Reference Document 5.2.1 (“SRD 5.2.1”) by Wizards of the Coast LLC, used under the Creative Commons Attribution 4.0 International License. Full attribution is on the Licenses & Attribution page.