Celestial Thoroughbred

Confer Radiant Immunity. TheThoroughbred can grant immunity to radiant damage to anyone riding it.

Confer Necrotic or Fire Resistance. The Thoroughbred can grant resistance to Necrotic damage or Fire damage to anyone riding it.

Illumination. TheThoroughbred sheds bright light in a 10-foot radius and dim light for an additional 10 feet.

Trampling Charge. If the Thoroughbred moves at least 20 feet straight toward a creature and then hits it with a Hooves 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 thoroughbred can make one hooves attack against it as a bonus action.

Multiattack. The Thoroughbred makes 2 attacks one with its Radiant hooves and one with its Necrotic or Fire Hooves.

Hooves (Radiant). Melee Weapon Attack: +11 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) magical bludgeoning damage plus 7 (2d6) radiant damage.

Hooves (Necrotic). Melee Weapon Attack: +11 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) magical bludgeoning damage plus 7 (2d6) necrotic damage.

Hooves (Fire). Melee Weapon Attack: +11 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) magical bludgeoning damage plus 7 (2d6) fire damage.

Ethereal Stride. The Thoroughbred and up to three willing creatures within 5 feet of it magically enter the Ethereal Plane from the Material Plane, or vice versa.