Mushroom  Fertility Seed  Sushi
Fertility Seed
IGO Icon 2 Name IGO Icon 2
Japanese 肥沃の種
Romanized Hiyoku no tane
IGO Icon 2 Statistics IGO Icon 2
Type Seed
Location Property of Teppei (details unknown)
Height 1cm
Weight 50g
Price 5,000,000 yen per seed
Mushroom Debut Appearance Sushi
Manga Chapter 90
Anime Episode 35
[v · t · e]

The Fertility Seed (肥沃の種 Hiyoku o tane) is described as a "fertilizer for human use", this seed can increase the body's natural healing ability to its maximum. However, due to it containing also a small amount of toxic substances, it also destroys cells before triggering the high-speed recovery, thus possibly proving to be fatal. Individuals who have had their energy stores severely depleted run the risk of dying if administered this seed. Therefore, the utmost caution is needed when handling it. Due to this fact, its usage is restricted by the eight Gourmet Laws. Teppei stated it has a bitter flavor.

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