Armor Class 19
Hit Points 310 (23d12 + 161)
Speed 50 ft.
Saving Throws STR +13, DEX +6, CON +13, WIS +7
Skills Perception +7, Survival +7
Damage Resistances cold, fire, lightning
Damage Immunities poison
Condition Immunities poisoned
Senses Darkvision 120 ft., passive Perception 17
Languages Abyssal
Challenge 17
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.
Multiattack. The goristro makes one Brutal Gore attack and two Slam attacks.
Brutal Gore. m +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. m +13, reach 10 ft. Hit: 29 (4d10 + 7) Bludgeoning damage.
Charge. The goristro moves up to half its Speed straight toward an enemy it can see.
Monster Manual (2024), p. 150