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Fintan Finegas: Biting the Thumb Swelling with Wisdom (親指かむかむ智慧もりもり, Oyayubi Kamukamu Chie Morimori?) is the wisdom granted to Fionn mac Cumhaill from the oil of the Salmon of Knowledge, acting as one of his Noble Phantasms under the Lancer-class. The wisdom granted him the ability to transform spring water scooped with his hands into a "miracle drug." The fatally wounded Diarmuid had no worry for his life due to the ability, but Fionn's repressed jealously over Diarmuid's affair with Gráinne led to Diarmuid's death.