For Espionage missions, we need to build the Dungeon only when the castle reaches level 20. The Dungeon offers 3 types of spies. I currently can only hire Assassin. 3 million silver which was collected by selling off food. It would take too long when you collect silver just by gathering.
So when you have enough silver, just say Yes.
You can rename if you wish.
These are the missions that Shue Uemura can take. Currently he is level 1 so I could only send him to ambush adventures. Espionage activities will need vigor. Vigor will fill up automatically when used up, but it takes time. Vigor flasks can be bought with gold to immediately restore used vigor. Anyway, I will embark on more espionage activities when I find farming is boring and picking on other people is more fun 😝😝 Reminds me a lot of my days in Kings of Chaos.