I think the 10 lives is part of their mortal tribulation. According to HC, this is CXJ's "final chance" for success…
Both suffer, but he (at least in the drama) is the one who suffers most of the time. And is her success killing her love? That sad !! Let this not happen, because the title of the drama speaks of redemption (freedom then.).
I was watching an 11 min eng sub trailer of this drama and realized that Yu Si Feng is actually a demon, and that Xuan Ji is actually the god of war, (who has a responsibility to destroy this demon). How is it that he has all lives dying for her? And he is a beautiful golden-winged phoenix that is shown in the trailers. (what a complex and beautiful story !!).
Another spoiler, for this trailer that I was reviewing here, Si Feng's head of the sect is also his father. (That is why this protection is so exaggerated. It is the protection of a father by his son.)
Here is the theme song. Sounds very nice. It is the first video sung by ayungaga. https://m.weibo.cn/search?containerid=231522type%3D1%26t%3D10%26q%3D%23%E7%90%89%E7%92%83%E7%BE%8E%E4%BA%BA%E7%85%9E%E7%89%87%E5%B0%BE%E6%9B%B2%23&extparam=%23%E7%90%89%E7%92%83%E7%BE%8E%E4%BA%BA%E7%85%9E%E7%89%87%E5%B0%BE%E6%9B%B2%23&luicode=10000011&lfid=1076032060419113
Beautiful clip, both the music and the scenes of the series. Beautiful!
3 
https://productiveprocrastination.site/tag/love-and-redemption/
https://youtu.be/kvhS4X8TuEQ
https://youtu.be/kvhS4X8TuEQ
And is her success killing her love? That sad !! Let this not happen, because the title of the drama speaks of redemption (freedom then.).
Another spoiler, for this trailer that I was reviewing here, Si Feng's head of the sect is also his father. (That is why this protection is so exaggerated. It is the protection of a father by his son.)