Sword Art Online - Season 2 - Eps 21: The Monument of Swordsmen
Asuna and the Sleeping Knights’ attempt to defeat the boss on Floor 27 has been observed by a guild specializing in boss raids. Now 20 of its members block the boss room. With Kirito stalling the rest of the guild, can Asuna and the others break through?
About Sword Art Online

Title: Sword Art Online
First Air Date: 2012-07-08
Last Air Date: 2020-09-20
Status: Ended
Rating: 8.2/10 (from 1901 votes)
Language: JA
Seasons: 5
Total Episodes: 96
Network: Gunma TV Tokyo MX tvk BS11 Tochigi TV
Genres: Animation, Sci-Fi & Fantasy, Action & Adventure
Production Companies: A-1 Pictures, Aniplex, GENCO, EGG FIRM
Synopsis
In the near future, a Virtual Reality Massive Multiplayer Online Role-Playing Game (VRMMORPG) called Sword Art Online has been released where players control their avatars with their bodies using a piece of technology called Nerve Gear. One day, players discover they cannot log out, as the game creator is holding them captive unless they reach the 100th floor of the game's tower and defeat the final boss. However, if they die in the game, they die in real life. Their struggle for survival starts now...
Cast

Yoshitsugu Matsuoka
Kirito (voice)

Haruka Tomatsu
Asuna (voice)

Hiroaki Hirata
Klein (voice)

Ai Kayano
Alice Synthesis Thirty (voice)

Rina Hidaka
Silica (voice)

Hiroki Yasumoto
Agil (voice)

Isshin Chiba
Critter (voice

Kaori Maeda
Selka (voice)

Taku Yashiro
Iskahn (voice)

Yuhko Kaida
Dee Eye Ell (voice)