The emperor was fighting a battle against an enemy that had a superior army. Nay wizards knew an eclipse was coming and warned the emperor about that.

In a few minutes, everything went dark. The enemy got confused by the phenomenon and failed to preview the surprise attack from the emperor. Victory.

To honor the wizards, the emperor chose the Eclipse as a symbol to represent him, and created a unique recipe. After winning a great battle, people celebrate with that flavor.

The recipe for the prosperous life elixir has a hint of mango and melon.