Yagnoloth (5.5)

Large Fiend (Yugoloth), Typically Neutral Evil
Armor Class 17 (natural armor)
Hit Points 147 (14d10 + 70)
Speed 40 ft.https://www.Tapouweb.org/dnd/monstres.php?vo=tanarukk-5.5
STR
19 (+4)
DEX
14 (+2)
CON
21 (+5)
INT
16 (+3)
WIS
15 (+2)
CHA
18 (+4)
Saving Throws Dex +6, Int +7, Wis +6, Cha +8
Skills Deception +8, Insight +6, Perception +6, Persuasion +8
Damage Resistances cold, fire, lightning; bludgeoning, piercing, and slashing from nonmagical attacks
Damage Immunities acid, poison
Condition Immunities poisoned
Senses blindsight 60 ft., darkvision 60 ft., passive Perception 16
Languages Abyssal, Infernal, telepathy 60 ft.
Challenge 11 (7200 XP)     Proficiency Bonus +4
Magic Resistance.
ACTIONS
Multiattack.
Electrified Touch.
Massive Arm.
Battlefield Cunning (Recharge 4–6).
Life Leech.
Spellcasting.
Teleport.

This full creature's stat block is not available (not OGL).

Monsters of the Multiverse
Yagnoloth (5.5)