is jujutsu kaisen episode 49 filler?

Choso fights Naoya and wins despite the speed differential, using his Death Painting physiology to outlast the Zenin heir. Yuta arrives and takes control of the situation — his authority as a special grade sorcerer carries weight that no one can challenge.

The episode begins setting up the Culling Game, Kenjaku's battle royale designed to generate the cursed energy needed for humanity's forced evolution.