Fantasy: Start with Alchemy and Dominate the Heavens

[Time Travel + No System + Single Female Protagonist] In the beginning, the time travel begins with the poisoned son-in-law. There is an old grandfather in his body, who is the treasure house of heaven. He relies on alchemy to earn spiritual stones in exchange for his good things. After buying the Time Tower, as long as you kill the enemy, you can sacrifice and gain the enemy's lifespan. One day of his cultivation is equal to ten years for others! With all kinds of physiques, skills, and bloodlines, his enemies will die if he takes action. No one knows his true strength! Brother is not in the world, the world is my legend!