Augment of Dragon Form

Your true form is that of a Dragon. As an action you can become human through change shape ability. This transformation lasts until you reach 0 hp or end it as an action.

Dragon Form Your unarmed strike can do piercing as a bite attack, slashing as a claw attack, bludgeoning as a tail attack. Your creature type becomes dragon and you age like a dragon with a dragon form the size that follows your Dragon age (red dragon based). You gain reach based on size (10 ft Large, 15 ft Huge and Level 20, 20 ft Gargantuan & Demigod).

Human Form Dragons can transform into the form of a humanoid. It reduces in size but otherwise keeps all other statistics. Each time it takes the humanoid form it is the same humanoid form (Medium or Small).