Asuna

Asuna is one of the signature characters of the Sword Art Online series and one of the fastest rapier wielders in Aincrad. She has been confirmed as an NPC in Echoes of Aincrad through official trailers.

In Echoes of Aincrad

As with Kirito, Asuna is not the protagonist of the game. She appears in the world alongside the player's created hero and is part of the supporting cast seen across the first two floors.