In the game Neverwinter Town Story, the way to obtain the legendary fishing rod is to obtain four spears of gold, silver and steel on the 2F of the Duke's Castle, then put the spears back in the order of empty, silver and steel, and finally return to the Duke's room. You can see that the fire in the middle furnace is extinguished. After going down to the secret room through the furnace passage, you can see two treasure boxes on the left. Open the leftmost treasure box to get the legendary fishing rod.
