Why did ko ngai make that decision of the soul of the great bell?

Ko-Ngai made the decision to sacrifice her life by jumping into the molten metal to mix her soul with the bell, believing that it was the only way to save her village from further harm. She saw the devastating effects of the cracked bell on her village and felt a deep sense of responsibility to protect her community. Through this selfless act, Ko-Ngai ensured that the bell's sound would bring prosperity and good fortune to her people for generations to come.