Huge Giant, any alignment
Armor Class 15 (natural armor)
Hit Points 207 (18d12 + 90)
Speed 30 ft.
STR
23 (+6)
DEX
13 (+1)
CON
20 (+5)
INT
9 (-1)
WIS
14 (+2)
CHA
18 (+4)
Saving Throws Wis +6, Cha +8
Skills Arcana +3, Perception +6, Stealth +5
Senses darkvision 120 ft., passive Perception 16
Languages Giant, Undercommon
Challenge 12 (8400 XP)
Proficiency Bonus +4
Blood Rune.
Devil's Sight.
Legendary Resistance (3/Day).
Actions
Multiattack.
Greatclub.
Corrupting Hex (Requires Blood Rune).
Eldritch Burst.
Spellcasting.
Bonus actions
Creeping Gloom (Recharge 6).
Reactions
Poisoning Rebuke (Requires Blood Rune).