Of course, the following is a polished and rewritten version of the original sentence, making its language more delicate, emotionally tense, and enhancing the resonance between the characters and the plot: --- A selfish mythical creature attempted to control the power of immortality, but never expected that his ambition would push him into the control of a woman - only she could see the existence outside the world, and his fate fell into her pity or coldness. --- If you have specific style preferences (such as ancient style, modernity, epic, dark fantasy, etc.), I can also further adjust according to my needs.Do I need to expand this copy into a longer introduction or story summary?