After finding Roses, the following material Iyama tasks you to find is Garlic. Bring a clove back to him, and Yagami will get another Extract Recipe.
Very much like the rose, you can obtain some garlic very close to Iyama's location. Head back to Hamakita Park, and go to the top right-hand corner of it. You'll find two van shops in this location. The one you want to interact with is called Hero's Harvest.
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From the gentleman, you can buy a piece of garlic for 598 yen. It's as simple as that. At the time of writing this guide, we could not find garlic from picking it up from white collectibles or anything of the sort. Hero's Harvest was the only place we could find garlic.
With the garlic purchased, go back to Ijama, hand it over, and learn Extract Recipe: Rushing Tiger. The following item you need to locate is a Four Leaf Clover.
While in Tiger style, the damage you deal is increased, and damage dealth from Charge Attacks is greatly increased.
Duration: 60 seconds.
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