Base Class: Barbarian
The Path of the Sapphire Dragon is a Barbarian path taken by those who have a connection with the dragons of the sapphire variety.
Protection of the Scale
While you are raging you gain a Plus one to your AC as large Sapphire Scales grow all over your body.
Enforced Great Weapon
While you are raging your weapons change. Any Greatsword, Maul, or greataxe that you are holding while raging changes. The weapons grow in size as sapphire scales grow all over them and when you rage your weapons deal 1d8 of there type of damage plus 1d6 thunder damage.
Sapphire Resistance
While you are raging you gain resistance to thunder damage along with your normal weapon attacks that you gain resistance to. You also gain advantage to making saving throws against the frightened condition.
When you reach fourteenth level you gain immunity to these conditions when you are raging and you also are resistance to thunder damage while not raging and have advantage on frightened saving throws when not raging.
Thunderous Breath
When you reach this level you can Breath out a Debilitating Breath. You can breath a number of times equal to your constitution modifier divided by two rounded down. This does 10d6 thunder damage and it's saving throw is a constitution saving throw of 8+constitution modifier+your Proficiency bonus.
When you reach 14th level the damage increases to 13d6 thunder damage.
Dragon Wings.
When you reach 14th level you grow large sapphire dragon wings that give you a flying speed equal to half your walking speed.
And while raging your wings give you a flying speed equal to your walking speed.