is jujutsu kaisen episode 27 filler?

The escort mission appears under control until Toji Fushiguro — the Sorcerer Killer — enters the picture. A man with zero cursed energy and a superhuman body that traded everything spiritual for physical perfection, Toji represents a kind of threat Gojo has never faced: someone who fights outside the rules of jujutsu entirely.

The confrontation between Toji and Gojo's overconfidence builds toward the arc's devastating climax.