Circle of the Wyrm

Dragons are some of the most powerful and versatile creatures to exist.  They become immense in size, live for eons, and are well known as accomplished practitioners of magic.  Where some see them as magical creatures, and thus beyond the scope of the natural order, but for others the Dragon embodies the very best found in every creature combined into one extravagant being.  Dragons have the claws of a lion, flight of an eagle, scales of a Tyrannosaur, and the intelligence of humanity.  Just like nature, dragons some with a variety of alignments and motivations.  For some druids, the Dragon is the most powerful being in all of the natural world, and to embody the dragon is to encompass the very best that nature has to offer.

Draconic Vigor

When you choose this circle at second level, you gain a flat +1 AC no matter which method is used for determining Armor class.  In addition, You gain gain +1 Hp per level (gain an additional +1 retroactively for level 1), and gain +1 temporary Hp when wild shaped per level.  (a Druid who casts Bark skin in the circle of the Wyrm would have an AC of 17, and a 6th level druid would have 6 additional Hit points, and would gain 6 additional temporary Hit points when wildshaped).

Draconic Form

Starting at 2nd level, you may wildshape as a bonus action.  In addition you may wildshape into a creature with the dragon type.  You also learn the language Draconic

Breath Weapon

At Third level, you gain access to a breath weapon attack at the expense of your spells.  At Third level when you obtain this feature, you choose one damage type.  your breath weapon deals damage of this type.  you may change the damage type whenever you level up.  As an action, you may expend a spell slot to create either a fifteen foot cone, or a thirty foot line which deals 1d6 per the level of the spell slot.  You may use this feature while wildhsaped.

 

Hoard

Druids of this circle may seek to hoard wealth or valuable resources like the dragons they revere.  Some believe it is a greater draconic spirit which empowers these druids to lay claim to more, others simply believe it a combination of stubbornness and conditioning.  

Wyrm's Tongue

When you reach 10th level, you gain the ability to spellcast while you are wildshaped.  doing so is difficult, and requires extra effort, and takes more time and concentration.  Casting any spell with a casting time of a reaction takes a Bonus Action, any spell with a casting time of a Bonus Action takes an action while wildshaped, and any Spell with a casting time of an Action takes a Full action while wildshaped.

Frightful Shape

At 14th level, when you wildshape, each Creature of your choice within 120 ft must make a wisdom save (DC 10 + Proficiency Bonus + Wisdom Modifier) or become frightened for one minute.  Creatures who are frightened by you have disadvantage on all saving throws against spells you cast.  A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the your Frightful Presence for the next 24 hours