Fionn mac Cumhaill

Fionn mac Cumhaill, also known as Finn McCool, is a renowned hero and warrior in Irish mythology, and the leader of the Fianna. He is famous for his extraordinary wisdom, strength, and bravery. Legend says he gained his wisdom by consuming the “Salmon of Knowledge,” and his thumb is said to have magical powers. Fionn appears in games like Fate/Grand Order as “フィン・マックール,” often as a Lancer-class Servant. He is depicted as both valiant and somewhat dashing, with a story full of love, hate, betrayal, and heroic deeds. In the game, he usually possesses powerful anti-army Noble Phantasms and attracts players with his unique personality and fighting style. Although his character may have some controversies in the game, it's undeniable that Fionn mac Cumhaill is a highly charming and influential character in Irish mythology.