Savage Empress's Cultivation

After an introverted Legend-ranked female assassin with red eyes and outstanding cultivation talents in modern day earth gets drugged by somebody she trusted, she takes him down with her and ultimately blows the both of them up. After her soul enters the body of the daughter of a cultivator and a Sovereign-ranked demon, she decided to seal her memories in the body of this child who shares both her name and eyes. She had no will to live, and after sealing her memories in the child, allows herself to be swept away by the dao. With the sealed memories of a great assassin and the mixed blood inside of her, what will happen to this young girl born into a declining clan in a cruel world of schemes and bloodshed?