Thanks to Black Essence: Viper from Imperial Training seals, selling horses via Imperial Delivery is sometimes more profitable than selling them on the horse market if you sell the Black Magic Crystal - Viper created with the essence. This tool is for determining if the horse market or imperial will be more profitable.

• Enter the marketplace price even if you're only checking the result for imperial.
• Horse market price includes tax along with the additional silver return you get based on your training level.