What is asuna sao sword?

Asuna's sword in Sword Art Online is called the Lambent Light. It is a one-handed rapier sword with a beautiful blue and white design. In the anime, the sword is depicted to have the ability to shine and produce intense light, hence its name. Asuna received the sword as a drop from defeating a high-level boss in the game, and it quickly became her primary weapon. Later on in the series, Asuna acquires a new sword called the Wind Fleuret, but the Lambent Light remains her most recognizable weapon.