Oath of the Primal Dragon

I have turned my back on the world of new, I have given myself no master but of the primal ways. I follow a dragon of origin,  True Primal Dragon

Channel Divinity

When you take this oath at 3rd level, you gain the following two Channel Divinity options

Dragon Defiance - The dragons of old fear nothing neither heaven nor hell. As an action you may end any inflicted status upon yourself, and also regain 4d8 + paladin class level hit points.

Roar of the Ancient - Every dragon's roar is proof of their pride. As an action you may channel a deep roar from within yourself, creatures within 30ft of you up to your proficiency bonus gain disadvantage on attacks against targets other than you. The creatures targetted can only be marked until the end of your next turn, and each targetted creature within this radius takes 2d8 thunder damage.

Oath spells

You gain oath spells at the paladin levels listed.

Oath of Devotion Spells

Aura of the Primordial Will

The old dragons presence burns through your veins, At 7th level any spell save check enforced upon you may be taken at advantage this feature may be performed up to half your proficiency bonus per long rest, you also gain advantage on wisdom checks from now on.

Over Heaven or Hell

The Primal Dragon you've made your oath to has granted you partial supremacy much like the ancestors of dragons. You are resistant to all non-magical physical attacks, necrotic and radiant damage. You also gain an extra 10ft walking speed.

Envoy of The Primal

"I am not the first, I am simply the Greatest"
At the 20th level, you have made an unbreakable connection with the Primal Dragon now becoming its avatar, as an action, you may surround yourself with an aura of Dragonic power becoming a demi primordial dragon this transformation increases your size by 2 stages, your skin becomes covered with silvery scales , you sprout a pair of massive wings capable of granting a fly speed of 30ft and Attacking with 1d10+ your constitution modifier damage as a bonus action, for every turn you maintain this form you gain an advantage on strength, charisma and constitution checks, this transformation lasts for 1 minute. Upon leaving the transformed state gain 2 levels of exhaustion and for the rest of the turn you are under the effects of paralysis, this action may be performed once per long rest