Fate/Zero, Vol. 04

Kiritsugu continues to fight however the toll of his actions weighs on him...has his sacrifice been worth it? In order to get to Kayneth and his servant, Lancer, Kiritsugu and Maiya bring down an entire skyscraper, but in the ruins of the explosion a mysterious object is unearthed instead of corpses. Meanwhile, Caster uses hostages to draw out Saber for his twisted purposes!