Bull of the Equinox

Charge. If Bull of the Equinox moves at least 20 feet straight toward a creature and then hits it with a gore attack on the same turn, the target takes an extra 19 (3d12) piercing damage. If Bull of the Equinox is thawed, the target takes an additional 14 (4d6) lightning damage.

Winter's Embrace. A frost covers the exterior of Bull of the Equinox. When Bull of the Equinox is hit with melee attack, the attacker take 7 (2d6) cold damage. This ability is suppressed while Bull of the Equinox is thawed.

Gore. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 19 (2d12 + 6) piercing damage.

Bull of the Equinox can take 4 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. Bull of the Equinox regains spent legendary actions at the start of its turn.

Spring Thaw. Bull of the Equinox melts its icy exterior until the end of it's next turn and becomes thawed. While thawed, Bull of the Equinox's speed is doubled, can run on air as if it were solid ground, and has -1 to AC. Bull of the Equinox can then use it's reaction to move up to its movement speed without provoking opportunity attacks.

Summer Afternoon. Bull of the Equinox glows bright like the sun before releasing a heat wave. Each creature within 20ft of Bull of the Equinox must make a DC 16 Dexterity saving throw, taking 28 (8d6) fire damage on a failed save or half as much on a success. A creature that fails the saving throw by 5 or more is also blinded until the end of it's next turn. Bull of the Equinox must be thawed in order to use this ability.

Abundant Harvest (Costs 2 Actions). Bull of the Equinox slams its front hooves on the ground to summon a cornucopia filled with various foods which it eats to regain 22 (4d10) hit points. Bull of the Equinox must be thawed in order to use this ability.

Early Winter (Costs 2 Actions). A frosty layer covers Bull of the Equinox. It gains 10 temporary hit points and is no longer thawed.

Winter's Breath (Costs 3 Actions). Bull of the Equinox exhales an icy blast in a 60-foot cone. Each creature in that area takes 14 (3d8) cold damage and must make a DC 16 Constitution saving throw. On a failed save, the creature is under the effect of the Slow until the end of the creature's next turn. If a creature fails its saving throw by 5 or more, the creature is paralyzed until the end of its next turn. This ability can only be used while Bull of the Equinox is not thawed.