My wyvern system

In a world where only strength and ability level matters to the masses, were the inner spirit in which a person is atoned with matters, were those with strong inner spirit ruled.
How will Duncan Sunshield live in this world without an inner spirit? How will he live with his monstrous step siblings.
Join me on the ride to see how Duncan will turn into a formidable foe after finding a system that grants him one of the strongest inner Spirit.
Believe me it's gonna be a thrilling ride, so you better get ur popcorn ready.