Reborn with a Top-Tier Water Spirit Root, Am I Not the Heroine of a Wish-Fulfillment Novel?

(A bit of a harem magnet + power fantasy + no main pairing + a bit of comedy + leveling up + unconventional furnace) After dying young, Da Su is reborn as the heroine, Cheng Dasu, the unloved legitimate daughter of the Cheng family in an old-school female-led cultivation novel called A Lifetime of Immortal Destiny. According to the original story, during the trial at the cultivation sect Tianjian Sect, she will be found to possess an exceptional Ice Spirit Root and be taken as the sword sect's founding ancestor's personal disciple. From then on, she'll cut through the world with her sword, a classic power-fantasy heroine! Delighted, she plans to follow the original plot, become a heaven-defying heroine, and surround herself with beautiful people. But on the day of the test, she is found to possess an exceptional Water Spirit Root and a Profound Yin Body, a combination considered by the cultivation world to be a mild, useless spirit root and the ultimate furnace physique. "Where's my precious Ice Spirit Root?! What happened to my power-fantasy heroine life plan?!" Da Su is on the verge of tears. Fortunately, an unexpected turn leads to her being refined into a puppet, and the cultivation world's most beautiful woman takes the path of becoming the strongest defender.