Path of the Fire Wyrm

Those who follow the Path of the Fire Wyrm burn with an all consuming passion. They are descended from draconic ancestry, specifically an Ancient Red Dragon. Instead of using their innate Draconic Magic to become incredible spellcasters, those who follow the Path of the Fire Wyrm instead harness their inherent magic to enter into a state of whirling fiery passion.

Dance of the Dragon

When you take this path at 3rd Level, you learn to unleash your fiery temper against those who damage you. Whenever you enter your Rage, your soul ignites with passion of flame and fire. Whenever you are hit with a melee weapon attack, you can use your reaction to expel your inner fire at the offending creature, dealing 1d6 +Rage Damage Bonus in Fire Damage. 

Draconic Resilience

Starting at 6th level, when you enter your rage for the first time after finishing a short or long rest, you gain a number of temporary hit points equal to  your Barbarian level plus your Constitution Modifier.

 

Strength of Ages Past

Starting at 10th level, when you enter into your rage, you gain a bonus to Wisdom saving throws equal to your Strength modifier (minimum of 1).

Ravaging Flame

At 14th Level, when you use your Dance of the Dragon ability, you may choose to target any number of creatures within 15 ft of you, rather than just the offending creature. Additionally, whenever you enter into your rage for the first time you cast the Fireball spell at 3rd Level centered on yourself. You take no damage from this ability. The DC for this ability equals 8 + Proficiency Bonus + Strength Modifier.