After Becoming a Demon Sword, I Only Want to Train Hard

[Transmigration + Villain + Reborn + Redemption + Overpowered + Comedy + Ensemble Cast] Su Yao dies unexpectedly and transmigrates. She imagines a dozen possible novel plots and gets ready to make her mark, only to discover that she hasn't become a person at all. She's a Heavenly Demon Sword sealed away beneath a suppression pool. At last, in the dull suppression pool, Su Yao finds a way to cultivate. She stays there for two hundred years, until a young man enters. The great villain Ji Moyue is thrilled to see the Heavenly Demon Sword before him. After being reborn, he came early to claim it. This time, he plans to change his tragic fate. Ji Moyue stares, stunned, at the Heavenly Demon Sword, now transformed into a human. Could something have gone wrong with his rebirth? A little scene: In his previous life, Ji Moyue heard the sword-obsessed lunatics of the Heavenly Sword Sect say that raising a sword cost a fortune in spirit stones. He didn't believe them. His Heavenly Demon Sword was powerful and easy to care for, and later he became the Demon Lord, so money was no concern. But now... Su Yao points at the robes hanging on the wall. “This one, this one, and this one. I want them all.” Ji Moyue silently hands over the spirit stones. Turns out, raising a sword really is expensive. After changing into her new clothes, Su Yao pats Ji Moyue on the shoulder. “Come on, let's get revenge for you.” The Heavenly Demon Sword can cleave the heavens with one strike, split the earth with another, and slay tens of thousands of immortals with a third...