Burning Manticore

Tail Spike Regrowth. The manticore has twenty-four tail spikes. Used spikes regrow when the manticore finishes a long rest.

Life from Fire. The manticore gains hit points of half the fire damage inflicted on it. Hit points that go beyond the maximum are temporary and last up to 1 hour, to a maximum of half of the creature's total hit points.

Multiattack. The manticore makes three attacks: one with its bite and two with its claws or three with its tail spikes.

Bite. Melee Weapon Attack: +12 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 5) piercing damage.

Claw. Melee Weapon Attack: +12 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 5) slashing damage.

Burning Tail Spike. Ranged Weapon Attack: +12 to hit, range 100/200 ft., one target. Hit: 27 (2d8 + 3) piercing damage plus an additional (4d6 + 4) fire damage. If struck, the target must make a DC 18 Dexterity saving throw to avoid catching on fire for 1d4 rounds, taking an additional 3 (2d6) fire damage on a failed save (DC 15 Dexterity). A successful save ends the fire. This fire only affects the target and does not spread.

Rejuvenation. The manticore regains 10 hit points of damage at the beginning of its turn. If it takes acid damage, it does not regenerate next round.