How and where did the hot-blooded elf sect, the Hong Meng Heavenly Emperor, get it?

The hot-blooded elf sect, the Hong Meng Celestial Emperor, was a fictional character that did not exist in the real world. There might be different descriptions of how he obtained it in the novel. Some novels might describe him obtaining it by completing missions or challenges, while others might describe him obtaining it through mysterious means. However, no matter how we obtain him, we can't obtain him in real life.