Goristro
Huge Fiend (demon), Chaotic EvilAC 19
HP 310 (23d12 + 161)
Speed 50 ft.
STR
25 (+7)
Save +13
DEX
11 (+0)
Save +6
CON
25 (+7)
Save +13
INT
6 (-2)
Save -2
WIS
13 (+1)
Save +7
CHA
14 (+2)
Save +2
Saving Throws STR +13, DEX +6, CON +13, WIS +7
Skills Perception +7, Survival +7
Resistances Cold; Fire; Lightning
Immunities Poison
Condition Immunities Poisoned
Senses Darkvision 120 ft., Passive Perception 17
Languages Abyssal
CR 17
Traits
Demonic Restoration. If the goristro 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 goristro has Advantage on saving throws against spells and other magical effects.
Siege Monster. The goristro deals double damage to objects and structures.
Actions
Multiattack. The goristro makes one Brutal Gore attack and two Slam attacks.
Brutal Gore. Melee Attack Roll: +13, reach 10 ft. Hit: 40 (6d10 + 7) Piercing damage. If the target is a Huge or smaller creature, it is pushed up to 20 feet straight away from the goristro and has the Prone condition.
Slam. Melee Attack Roll: +13, reach 10 ft. Hit: 29 (4d10 + 7) Bludgeoning damage.
Bonus Actions
Charge. The goristro moves up to half its Speed straight toward an enemy it can see.