Path of the Draconic Avatar

There are many tales of individuals with an innate gift of magic they can trace back to a distant relative being awarded a fragment of a dragon's power or even the romantic union of an ancestor and a shapeshifted dragon in its humanoid form. 
You are one of those people gifted with draconic power, but instead of manifesting magical talent, you learned to channel the martial prowess of a dragon.

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Credits & Inspiration: /u/KibblesTasty's Path of the Dragon Barbarian

Draconic Adaptation

Starting at 3rd level, your body reacts to the draconic essence within you being unleashed by making some permanent enhancements. 

• You choose one type of dragon as your ancestor. The damage type and breath weapon statistics associated with each dragon are used by features you gain later.
• You can read, speak, and write Draconic.
• You gain darkvision out to a range of 30 feet. If you already have darkvision, its range increases by 30 feet. 

Draconic Ancestry - Black

Damage Type - Acid
Breath Weapon: 5 by 30 ft. line (Dex. save)

Draconic Ancestry - Blue

Damage Type - Lightning
Breath Weapon - 5 by 30 ft. line (Dex. save)

Draconic Ancestry - Brass

Damage Type - Fire
Breath Weapon - 5 by 30 ft. line (Dex. save)

Draconic Ancestry - Bronze

Damage Type - Lightning
Breath Weapon - 5 by 30 ft. line (Dex. save)

Draconic Ancestry - Copper

Damage Type - Acid
Breath Weapon - 5 by 30 ft. line (Dex. save)

Draconic Ancestry - Gold

Damage Type - Fire
Breath Weapon - 15 ft. cone (Dex. save)

Draconic Ancestry - Green

Damage Type - Poison
Breath Weapon - 15 ft. cone (Con. save)

Draconic Ancestry - Red

Damage Type - Fire
Breath Weapon - 15 ft. cone (Dex. save)

Draconic Ancestry - Silver

Damage Type - Cold
Breath Weapon - 15 ft. cone (Con. save)

Draconic Ancestry - White

Damage Type - Cold
Breath Weapon - 15 ft. cone (Con. save)

Improved Rage

Starting at 3rd level, you learn how to channel your inner dragon while raging, transforming your body into a ferocious hybrid of humanoid and dragon. 
While raging, you can choose to transform into a hybrid dragon form.

• You gain natural weapons which you can use to make unarmed strikes. When you use the Attack action with your natural weapons on your turn, you can make one attack with your Claws as a bonus action. Your natural weapons improve at 5th, 11th, and 17th level.
• While raging, you have resistance to one elemental damage type depending on your choice of Draconic Ancestry.
• While raging and not wearing armor, you gain a +1 bonus to AC. This increases to a +2 bonus to AC at 9th level, and to a +3 bonus at 17th level.

Draconic Ancestry - Black

While raging, you gain resistance to acid damage.

Draconic Ancestry - Blue

While raging, you gain resistance to lightning damage.

Draconic Ancestry - Brass

While raging, you gain resistance to fire damage.

Draconic Ancestry - Bronze

While raging, you gain resistance to lightning damage.

Draconic Ancestry - Copper

While raging, you gain resistance to acid damage.

Draconic Ancestry - Gold

While raging, you gain resistance to fire damage.

Draconic Ancestry - Green

While raging, you gain resistance to poison damage.

Draconic Ancestry - Red

While raging, you gain resistance to fire damage.

Draconic Ancestry - Silver

While raging, you gain resistance to cold damage.

Draconic Ancestry - White

While raging, you gain resistance to cold damage.

Breath Weapon

Starting at 6th level, your body has learned to make the necessary adaptations during your transformation to exhale destructive energy as only dragons can.

• While raging, as an action, you can use your breath weapon. Your Draconic Ancestry determines the size, shape, damage type of the exhalation, and which saving throw each creature in the area has to make.
• The DC for this saving throw equals 8 + your Constitution modifier + your proficiency bonus.
• A creature takes 8d6 damage on a failed save. and half as much damage on a successful one.
• The damage increases to 10d6 at 9th levei. 12d6 at 13th leveI, and 14d6 at 17th leveI.
• Using this feature counts as making an attack for the purpose of maintaining your rage.
• After you use your breath weapon, you can't use it again until you finish a short or long rest.

Draconic Ancestry - Black

Your Draconic Ancestry shapes your Breath Weapon.

Draconic Ancestry - Blue

Your Draconic Ancestry shapes your Breath Weapon.

Draconic Ancestry - Brass

Your Draconic Ancestry shapes your Breath Weapon.

Draconic Ancestry - Bronze

Your Draconic Ancestry shapes your Breath Weapon.

Draconic Ancestry - Copper

Your Draconic Ancestry shapes your Breath Weapon.

Draconic Ancestry - Gold

Your Draconic Ancestry shapes your Breath Weapon.

Draconic Ancestry - Green

Your Draconic Ancestry shapes your Breath Weapon.

Draconic Ancestry - Red

Your Draconic Ancestry shapes your Breath Weapon.

Draconic Ancestry - Silver

Your Draconic Ancestry shapes your Breath Weapon.

Draconic Ancestry - White

Your Draconic Ancestry shapes your Breath Weapon.

Improved Natural Weapons

Starting at 6th level, while raging, your unarmed strikes using your natural weapons count as magical for the purpose of overcoming resistance and immunity to nonmagical attacks and damage.

Draconic Wings

Starting at 10th level, while raging, you gain the ability to sprout a pair of dragon wings from your back, gaining a flying speed equal to your current speed.

You can't manifest your wings while wearing armor unless the armor is made to accommodate them, and clothing not made to accommodate your wings might be destroyed when you manifest them.

Improved Senses

Starting at 10th level, your body incorporates further traits of your draconic ancestor.

You gain blindsight out to a range of 10 feet.

Frightful Presence

Starting at 14th level, while raging, as an action, you force each creature of your choice that you can see within 30 feet of you to make a Wisdom saving throw. 
The DC for this saving throw equals 8 + your Strength modifier + your proficiency bonus.

On a failed save, a creature becomes frightened of you for 1 minute. A frigthened creature can use its action to repeat this saving throw, ending the effect on itself on a success. 

Using this feature counts as making an attack for the purpose of maintaining your rage. 
Once you use this feature, you can't use it again until you finish a short or long rest.

Improved Breath Weapon

Starting at 14th level, your Breath Weapon range increases to a 10 by 60 ft. line or 30 ft. cone, depending on your Draconic Ancestry.