Fate/strange Fake (2024)

S1E5 Stars' Banquet

Just before the conflict in the canyon, a solitary mercenary named Sigma was in a mansion deep within a swamp, trying to call forth a Servant. He harbored no ambitions for the world nor any desire to leave a legacy. The counterfeit Holy Grail selected an exceptionally rare Servant for this hollow individual, one that could never be summoned in a standard Holy Grail War...