She was born from darkness when the world was at stake. The devil was born just to save the world.
She uses her magic flames to burn away the disasters that the gods are helpless to deal with, and protects the peace of the world.
But when peace came, she was "invited" by the gods to become a hero in the world. The gods were afraid of her - afraid that this light born in darkness would be more dazzling than their own light, so they sent her to an honorable death.
The devil accepted the gift of thanks. It just so happened that she also wanted to leave this world that didn't need her.
They thought she was dead. Little did they know, she had long wanted to leave.
Following the plan of the gods, she escaped in pieces, but the moment she left, she was blocked by a voice claiming to be a rebirth system. He said that I am a person with dual labels of 'great merit' and 'tragic consciousness', and that I am very suitable for the task.
From then on, she traveled through various small worlds - the world did not know that she had protected the entire universe. They only knew that in every desperate situation, there was always a ray of gentle light, which came at just the right time.
The devil will not disappear. She just went where she was needed more.