Nalfeshnee
Large fiend, chaotic evil
Armor Class 18 (natural armor)
Hit Points 184 (16d10 + 96)
Speed 20 ft., fly 30 ft., swim 10 ft., climb 10 ft.
str
21 (+5)
dex
10 (+0)
con
22 (+6)
int
19 (+4)
wis
12 (+1)
cha
15 (+2)
Saving Throws Con +11, Int +9, Wis +6, Cha +7
Damage Resistances cold, fire, lightning
Damage Immunities poison
Condition Immunities frightened, poisoned
Senses truesight 120 ft., passive Perception 11
Languages Abyssal; telepathy 120 ft.
Challenge 13 (10,000 XP)
Demonic Restoration. If the nalfeshnee dies outside the Abyss, its body dissolves into ichor, and it gains a new body instantly, reviving with all its Hit Points somewhere in the Abyss.
Magic Resistance. The nalfeshnee has Advantage on saving throws against spells and other magical effects.
Actions
Multiattack. The nalfeshnee makes three Rend attacks.
Rend. Melee Attack Roll: +10, reach 10 ft. 16 (2d10 + 5) Slashing damage plus 11 (2d10) Force damage.
Teleport. The nalfeshnee teleports up to 120 feet to an unoccupied space it can see.