Flameheart and Frostbane

A red-gold lotus took shape on Ryu's forehead, before it darkened considerably, becoming an ashen grey that carried the vicissitudes of life. 

As Sovereign Grade Bone Structures, there weren't world-shaking legends about the Ashen Flameheart Lotus and the Ninefold Frostbane Bone Structures. Ultimately, such legends were usually left to those with God Grade Bone Structures, individuals who stood and rose above all else. 

However, there was a legend of a woman who had once been born with both the Ashen Flameheart Lotus and Ninefold Frostbane Bone Structure. 

These two Bone Structures were opposing in a way that went beyond just their Fire and Ice abilities and delved deep into the very foundation of what they were meant to be.