Destroying the world for her — Episode 5

My senior sister and I ascended together. I went to the heavens; she shattered her immortal bones to stay with the mortal emperor. Years later, I found her a withered husk imprisoned beneath a pagoda, meridians destroyed to sustain the kingdom. Her sacrifice bought only infamy and betrayal. I descended from the nine heavens to settle scores with those who wronged her and sever these mortal ties forever.