He was a sect friend with her parents in their youth, she was his adopted daughter. That day, the house was destroyed, her parents were engulfed in the immense sea of fire around her, at that time she was only 15 years old

She didn't realize much, she looked around trying to find a way out but couldn't

He appeared, carried her in his arms to escape the sea of fire. Then, he sealed her in a giant block of ice in a secret place with other secret reasons