The battle for the Holy Grail rages on as members from the Red and Black Factions start fighting head to head. Elsewhere, Darnic holds the Holy Grail and remembers how he stole it.
Darnic unleashes his final gambit, using his spells to turn Vlad into his ultimate form. The remaining Servants decide they need to put aside their differences to stop their overpowering foe.
The Red Faction begins their attack on Castle Yggdmillennia as Shiro appears on the Hanging Gardens to fight himself. Loyalties are tested and alliances are offered as all out war continues.
The Hanging Gardens fly away and Jeanne affirms Sieg's choice to officially enter the Holy Grail War. A powerful golem marches on the castle and the Servants must assemble to face it.