Became a Legendary Undercover Agent in the Cultivation World

The soldiers and horses are not moving, the intelligence goes first, lurking, disguising, wooing, extracting intelligence, beheading operations... In the process of executing missions again and again, legends were created... A hapless undercover policeman travels back in time to a legendary undercover agent who is performing a mission. How will the unlucky man react to the unlucky man who is unaware of everything? How can he survive in this world full of practitioners? Can the task be completed? Click in and you'll know everything. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.