A Demonic Cultivator in the Western Crossover Universe

The demonic cultivator Jiang Li draws power from the malice others feel toward her, but a cultivator placed a restriction on her that prevents her from doing evil. As a result, she can only pretend to be wicked. Sometimes she doesn't have enough power, so she has to do good deeds to earn merit and replenish it.

While evading the righteous cultivators hunting her, she accidentally arrives in the DC and Marvel world. Jiang Li meets a young Batman and tells him, "I'm a demon. I can help you bring your parents back to life, but after you make three wishes, I'll take your soul." At first, little Batman is indeed a bit afraid, but he gradually realizes that Gotham has become much quieter with Jiang Li around. He learns that she is cold on the outside but warm-hearted underneath.

Later, a disturbance in space and time sends Jiang Li to another, adult Batman. Jason has died, and in order to get Jiang Li to resurrect him, the adult Batman pretends to be the Batman she knows. He receives all sorts of miraculous help: a substitute puppet that can patrol in his place or let him rest, and medicine that can make Alfred young again. When Mid-Autumn Festival comes, Jiang Li even brings Batman's parents from another timeline over for a reunion dinner...

Meanwhile, Iron Man gets help from Su Qing, a righteous cultivator. Su Qing has been searching for Jiang Li's whereabouts. Through divination, she discovers that after returning to this world, Jiang Li met Iron Man's parents early on and left them life-saving rings. But to avoid interfering with the story, Su Qing's lingering soul inside the ring doesn't appear until Iron Man is kidnapped. After saving him, she fights alongside him and vanishes. Later, Su Qing herself appears again and tells Iron Man that his parents are still alive...

Theme: Bringing two superhero families a happy ending.