When does lenalee fight the level 3 akuma?

Lenalee Lee fights the Level 3 Akuma during the "Noah's Ark" arc in the anime and manga series "D.Gray-man." This battle takes place in Chapter 166 of the manga, where she confronts the Level 3 Akuma while trying to protect her comrades. The intense fight showcases her combat abilities and determination as an Exorcist.