Apocalypse Horse (5e Creature)
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Large fiend (daemon), neutral evil
Skills Perception +7
Innate Spellcasting. The horse's innate spellcasting ability is Charisma (spell save DC 18, +10 to hit with spell attacks). The spells the horse can cast are dependent on which horseman the horse serves (see the Favor of the Four infobox).
Magic Resistance. The horse has advantage on saving throws against spells and other magical effects.
Magic Weapons. The horse's weapon attacks are magical.
Trampling Charge. If the horse moves at least 20 feet straight toward a creature and then hits it with a hoof attack on the same turn, that target must succeed on a DC 19 Strength saving throw or be knocked prone. If the target is prone, the horse can make another attack with its hooves against it as a bonus action.
Unyielding to Oblivion. An apocalypse horse is intrinsically linked to its horseman. While the horse is within 300 feet of its horseman, it gains the following benefits:
Multiattack. The horse makes one bite attack and two hoof attacks.
Bite. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 16 (2d10 + 5) piercing damage.
Hooves. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 14 (2d8 + 5) bludgeoning damage.
Apocalypse Breath (Recharge 5-6). The horse breathes in a 90-foot cone. Each creature within that area must make a DC 22 saving throw. The type of saving throw required and the effects of the Apocalypse Breath are dependent on which horseman the horse serves (see the Favor of the Four infobox).