Just as the players on the forums were discussing the specific uses of the divine seal ...
The player who posted the thread had a game notification in his mind:
[Game prompt: you have triggered a hidden mission. Please head to the underworld's butler and submit the 'divine seal of glass' to activate the hidden mission. After completing all the missions, you will receive high rewards and hidden profession rewards (probability).]
After seeing the content of the game prompt, the player was completely stunned.
He had originally planned to sell the divine seal to Gu Yu. After all, he couldn't resist the price of 100000 soul coins.
However, when he saw the game prompt that there was a chance of obtaining a hidden profession mission, he replied to Gu Yu without hesitation,"
"Boss, I'm not selling!"
After that, the player decisively rushed to hell and handed the 'divine seal of glass' he had obtained to the hell Butler. He then received a quest line from the Butler.