|trigger = After reaching 8 hearts with both Jas and [[Vincent]], enter [[Cindersap Forest]] during [[Spring]] on a sunny day between 6am and 5pm.
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|details = Vincent will explain how to clean [[Spring Onion]]s by removing insects. Jas insists that the insects not be killed after removing them from the onions. Afterward, the player gains [[Spring Onion Mastery]], which permanently increases the sell price of Spring Onions by 5x.