Ep 9. Answer

Shirou is struggling with the revelation of Archer's true identity and the realization that his ideals may lead him down the same path. As he tries to come to terms with this, Rin tasks him with investigating the church to gather information on Caster's plans.

Meanwhile, Caster and Assassin continue their search for Saber, who has been hiding out at Rin's place. They launch a surprise attack and a fierce battle between Saber and Assassin ensues.

Back at the church, Shirou is ambushed by Kuzuki and Caster, who have discovered his presence. In the midst of the battle, Shirou manages to activate a new ability, which surprises both himself and his opponents.

As the battle rages on, Shirou and Rin realize that they must work together to take down Caster and Kuzuki. In a stunning display of teamwork, they manage to outsmart their opponents and deal a significant blow to Caster's plans.

The aftermath of the battle leads Shirou to make a decision about his future as a mage and his ideals. He comes to a new understanding of his own beliefs and decides to pursue his goals in a new direction.

As the episode concludes, Rin and Shirou's bond grows stronger as they reflect on their experiences and make plans for the future. They both realize that their journey is far from over and they must continue to work together to survive the grueling battles that lie ahead.