Steal My Golden Core? I'll Rule The Realm

Transmigrated as a Disposable Villainess, Sang Longyue knows her doomed fate: betrayed by her Senior, Third, Junior Martial Siblings and master Archmage Voss, she will be cast off Reflection Cliff to die. Aware of the plot, she prepares. At Reflection Cliff, she forms a Master-Servant Pact with ancient evil god 'Blood Taro', and uses the Calamity Warding Seed to forge an immortal-demonic physique, gaining the ability to communicate with demonic beings.