In Biography of Heroes, the unique secret recipe is a sideline of Shu Yuji. This task is not what you want to do. You need to find a wandering cook behind the main line of Shu Mei Building to pick it up. The following is a unique recipe-side task strategy shared by the "Dust Raiders Group".

Click to see more: Heroes Mission Raiders

Talk to the people in the picture below and choose the first person to accept the task.

Then go to the position below and watch the screenshot.

Auxiliary reward: 300 experience and reputation

Then I came to the water tank and triggered the plot.

Auxiliary reward: 300 experience and reputation

Branch update

Then ask the people above.

Auxiliary reward: 300 experience and reputation

Then come to the lower position. Look at the screenshot. Dialogue. Options appear.

Selection 1: invalid.

Option 2: 300 Experience and Reputation

Then go back to the cook and watch the screenshot.

Side prize: 300 experience, prestige, ingredients, Shu Yuji's favorite.

Then go back to the following position and dialogue.

Side reward: 400 yuan

(branch line completed)