Huge Fiend (Demon), Chaotic Evil
AC 17 Natural Armor    Initiative +9 (19)
HP 187 (15d12 + 69)
Speed 20 ft., Fly 40 ft.
Mod Save
STR 23 +6 +6
DEX 12 +1 +1
CON 20 +5 +9
Mod Save
INT 18 +4 +4
WIS 16 +3 +7
CHA 18 +4 +4
Skills Perception +9
Resistances Cold, Lightning
Immunities Fire, Poison; Charmed, Frightened, Poisoned
Senses Truesight 120 ft.; Passive Perception 19
Languages Common, Infernal, Telepathy 120 ft.
CR 12 (XP 8,400; PB +4)
Traits

Fire aura. At the end of each of Be'l'akors turns, each creature in a 5-foot Emanation originating from Be'l'akor takes 7 (2d8) Fire damage.

Legendary Resistance (2/Day). If Be'l'akor fails a saving throw, it can choose to succeed instead.

Magic Resistance. Be'l'akor has Advantage on saving throws against spells and other magical effects.

Actions

Multiattack. Be'l'akor makes one Flame Whip attack and one Lightning Blade attack.

Flame Whip. Melee Attack Roll: +9, reach 30 ft. Hit: 10 (2d6 + 8) Force damage plus 8 (2d6) Fire damage. If the target is a Huge or smaller creature, Be'l'akor attempts to pull the target  25 feet straight towards itself, DC14 Constitution save, on a fail the target is dragged uncontrollably and has the Prone condition.

Lightning Blade. Melee Attack Roll: +9, reach 10 ft. Hit: 12 (2d8 + 8) Slashing damage plus 11 (2d10) Lightning damage, and the target can’t take Reactions until the start of Be'l'akors next turn.

Bonus Actions

Teleport. Be'l'akor can teleport itself or a willing demon within 10 feet of itself up to 60 feet to an unoccupied space Be'l'akor can see.

Monster Tags: Demon Lord

Habitat: Planar (Abyss)

Treasure:  Arcana ,  Armaments

Kromlech666