From the Start, I’m the Family Ancestor, and I Can Instantly Slay Saint-Realm Experts

Su Xuan's soul transmigrates to another world, where he becomes the ancestor of the Su family, one of Linfeng City's three great families. But from the start, everything goes wrong. Not only does he fail to break through to the next cultivation realm, he's also poisoned, with less than a tenth of his strength remaining. The family head has disappeared, the clan elders are trapped, the younger generation is being assassinated, and the family retainers are rebelling... The other two great families are watching them like hawks. The entire Su family stands on the brink of life and death, with everything liable to change in an instant. Fortunately, Su Xuan awakens the Family Instant Kill System, allowing him to make one daily purchase from the System's shop. For just 9.9, he gets an instant deal on a Saint Realm trial card. Ding! Today's refreshed item: Emperor's Weapon, Illusion Bell. Ding! Today's refreshed item: Saintly Battle Physique. Ding! Today's refreshed item: Great Emperor-level cultivation. This blurb doesn't do the story justice. Please jump straight into the main text. The author wishes you happy reading.