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This article is about the manga adaptation of the original Progressive series. You may be looking for the original light novel.
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Sword Art Online - Progressive Volume 4 (ソードアート・オンライン プログレッシブ004, Sōdo Āto Onrain Puroguresshibu 004?) is the fourth volume of the Progressive manga adaptation. This volume covers the final part of the Rondo of a Fragile Blade story.

Summary

Chapters

Strategy Meeting

As the Dragon Knights Brigade members reached the second Floor Boss room before the members of the Aincrad Liberation Squad, Lind declared that he would be leading the raid and gave his opening speech. Meanwhile, Agil approached Kirito and invited him to join their team in fighting against Nato the Colonel Taurus. When Kirito asked what the last team’s job was, they saw that members of the Legend Braves were negotiating to be allowed to fight Baran the General Taurus. However, to their surprise, their leader Orlando approached Agil and offered to help with Nato instead, telling his commrades not to be in a rush to glory.

Eventually, Lind attempted to open the doors to the boss room, but Agil interrupted him to mention the possibility of changes to the boss since the beta test and thus suggested a retreat if different patterns of the boss are discovered. Agreeing to the suggestion, Lind attempted to open the doors again, but was interrupted by Kibaou this time. Kibaou stated that the guide was written by a player who had never seen the boss in person, thus he proposed to hear Kirito’s opinion, as he was the only one confirmed to have fought the boss in the beta test. In response, Kirito stated that there had been no changes to the regular tauruses, but warned the group to avoid the boss’s debuffs, as they could lead to paralysis. Afterwards, Kibaou nonchalantly opened the doors himself, thus upsetting Lind.

Battle

As the boss battle began, Agil's party blocked the first attack from Nato the Colonel Taurus, creating an opening for Kirito to attack. After a few successful hits, Kirito reflexively called Asuna to switch with him, but immediately realised that she was not present. Once the party evaded the taurus’s attack, the Legend Braves team began their assault, allowing Agil's party to heal with potions. While Agil teased Kirito about the lack of his partner, Kirito noted that Agil was missing his rare axe and was instead using a cheap store-bought one, causing Kirito to ponder if Agil was a victim of the weapon upgrading scam and whether he should share the truth about the scam with him. At that point, Agil noted that the Legend Braves were handling Nato quite well, while on the other hand, Kirito noted that the main force was not doing so well.

About-Face

As more and more players of the main force were paralysed, Kirito rushed to Lind and Kibaou to warn them the situation was becoming dangerous and thus suggested retreating. However, Kibaou persuaded Lind to continue the battle until one more person was paralised, declaring that it would be a waste to retreat this quickly. Satisfied that the leaders had a plan, Kirito returned to his party.

Some time later, Nato the Colonel Taurus was finally close to defeat and entered its berserk mode. Just when Kirito began to think that there were no changes to the bosses since the beta test, Agil suddenly called Kirito to share his unease about Baran being only a general when Illfang had the title of lord and during his monologue, the actual boss of the floor, Asterius the Taurus King, entered the room through a secret elevator in the floor in the centre of the room, thus blocking the only path of escape for the main force in combat with Baran.

As Asterius began approaching the main force, Kirito ordered teams G and H to immediately assault and dispatch Nato. Due to the two teams attacking all-out, Nato was defeated and the two teams advanced in an attempt to intercept Asterius, but the boss suddenly used a breath attack that paralysed a large number of the main force. Kirito immediately ordered team H to help get the paralysed to safety and team G to help him defeat Baran.

However, while Kirito and the Legend Braves were occupied with Baran, Asterius began preparing for another breath attack. Just when the boss was about to unleash its attack, Asuna entered the boss room and used the boss itself as a stepping stool to jump high enough in the air to hit the boss in the forehead with her rapier. As Asterius raised its head due to the attack, Asuna, flustered that it was looking under her skirt, activated the Martial Arts skill Gengetsu and kicked the taurus in the face.

Don't Know

Secret Trick

The Heroes

Atonement

Adaptation Notes

Chapter 16

  • Asuna was part of the boss raid from the start, as a member of Agil's party, in the novel, thus there were forty-seven, rather than forty-six, members in the raid at the beginning.
  • Lind assumed leadership of the raid through winning a coin flip, rather than being the first to reach the boss room, in the novel.
  • Orlando was the member of the Legend Braves who demanded that their group be allowed to fight against the boss in the novel, instead of offering to aid Agil's group.
  • In the novel, the Legend Braves were allowed to join Lind and Kibaou's parties in fighting against Baran, thus Orlando did not have a conversation with Kirito and Agil in the novel.
  • As Kirito had followed Nezha and overheard his conversation with his friends in the novel, he already knew that the other members of the Legend Braves were involved in the weapon upgrading scam by the time of the boss battle.
  • Orlando used an Anneal Blade, rather than a Stout Brand, for the boss battle in the novel.
  • Lind was the one who opened the doors to the boss room in the novel.

Chapter 16.5

Chapter 17

Chapter 18

Chapter 19

Chapter 20

Chapter 21

References

Navigation

Sword Art Online Publication Navigation Bar
Aincrad Arc Fairy Dance Arc Extra Edition Phantom Bullet Arc Calibur Mother's Rosario Ordinal Scale Alicization Arc Unital Ring Arc
Progressive Arc
Light Novels Main Series Volume 01 - Volume 02 - Volume 03 - Volume 04 - Volume 05 - Volume 06 - Volume 07 - Volume 08 - Volume 09 - Volume 10 - Volume 11 - Volume 12 - Volume 13 - Volume 14 - Volume 15 - Volume 16 - Volume 17 - Volume 18 - Volume 19 - Volume 20 - Volume 21 - Volume 22 - Volume 23 - Volume 24
Progressive Series Progressive 01 - Progressive 02 - Progressive 03 - Progressive 04 - Progressive 05 - Progressive 06
Alternative Series GGO 01 - GGO 02 - GGO 03 - GGO 04 - GGO 05 - GGO 06 - GGO 07 - GGO 08 - GGO 09
Clover's Regret Volume 1 - Clover's Regret Volume 2 - Clover's Regret Volume 3
Material Edition Volume 01 - Volume 02 - Volume 03 - Volume 04 - Volume 05 - Volume 06 - Volume 07 - Volume 08 - Volume 09 - Volume 10 - Volume 11 - Volume 12 - Volume 13 - Volume 14 - Volume 15 - Volume 16 - Volume 17 - Volume 18 - Volume 19 - Volume 20 - Volume 21 - Volume 22 - Volume 23 - Volume 24 - Volume 25 - Volume 26 - Volume 27 - Volume 28 - Volume 29
Character Edition Lisbeth Edition - Silica Edition - Pina Edition
BD/DVD Specials Cordial Chords - Distant Journey - Rainbow Bridge - Sugary Days - Sisters' Prayer - The Day After - The Day Before
Magazine Publications Calibur SS - The Celeste Fairy - VRMMO Development Tragedy - Story Pencil Board
Crossover Dream Game -Crossover- - Versus - Versus II
Dengeki Fair Breaking the Damage Limit - 16.8.5 - Agil and Klein’s Exciting Meal - Defensive Power - SAOP 4.1
Other Specials chromatic colors - Hopeful Chant
Web Stories There is But One Ultimate Way
Manga Aincrad Volume 01 - Volume 02
Fairy Dance Volume 01 - Volume 02 - Volume 03
Phantom Bullet Volume 01 - Volume 02 - Volume 03
Mother's Rosario Volume 01 - Volume 02 - Volume 03
Calibur Tankoubon
Alicization Volume 01 - Volume 02 - Volume 03
Progressive Volume 01 - Volume 02 - Volume 03 - Volume 04 - Volume 05 - Volume 06 - Volume 07
Girls Ops Volume 01 - Volume 02 - Volume 03 - Volume 04 - Volume 05 - Volume 06
Ordinal Scale Volume 01 - Volume 02 - Volume 03 - Volume 04
4koma Manga Volume 01 - Volume 02 - Volume 03
SAOAGGO Manga Volume 01 - Volume 02 - Volume 03
Comic Anthology Volume 01 - Volume 02
4koma Anthology Volume 01 - Volume 02 - Volume 03
Hollow Realization Volume 01 - Volume 02 - Volume 03 - Volume 04 - Volume 05
Aincrad Night of Kirito Tankoubon
Kirito's Gun Gale Wars Tankoubon
Anime Season I - Aincrad Arc Episode 01 - Episode 02 - Episode 03 - Episode 04 - Episode 05 - Episode 06 - Episode 07 - Episode 08 - Episode 09 - Episode 10 - Episode 11 - Episode 12 - Episode 13 - Episode 14
Season I - Fairy Dance Arc Episode 15 - Episode 16 - Episode 17 - Episode 18 - Episode 19 - Episode 20 - Episode 21 - Episode 22 - Episode 23 - Episode 24 - Episode 25
Season I - Special Episodes Sword Art Online Extra Edition
Season II - Phantom Bullet Arc Episode 01 - Episode 02 - Episode 03 - Episode 04 - Episode 05 - Episode 06 - Episode 07 - Episode 08 - Episode 09 - Episode 10 - Episode 11 - Episode 12 - Episode 13 - Episode 14 - Episode 14.5
Season II - Calibur Arc Episode 15 - Episode 16 - Episode 17
Season II - Mother's Rosario Arc Episode 18 - Episode 19 - Episode 20 - Episode 21 - Episode 22 - Episode 23 - Episode 24
Movie Sword Art Online The Movie -Ordinal Scale-
AGGO Episode 01 - Episode 02 - Episode 03 - Episode 04 - Episode 05 - Episode 06 - Episode 07 - Episode 08 - Episode 09 - Episode 10 - Episode 11 - Episode 12
Season III - Alicization Arc Episode 01 - Episode 02 - Episode 03 - Episode 04 - Episode 05 - Episode 06 - Episode 07 - Episode 08 - Episode 09 - Episode 10 - Episode 11 - Episode 12 - Episode 13 - Episode 14 - Episode 15 - Episode 16 - Episode 17 - Episode 18 - Episode 18.5 - Episode 19 - Episode 20 - Episode 21 - Episode 22 - Episode 23 - Episode 24 - Episode 25 - Episode 26 - Episode 27 - Episode 28 - Episode 29 - Episode 30 - Episode 31 - Episode 32 - Episode 33 - Episode 34 - Episode 35 - Episode 36 - Episode 37 - Episode 38 - Episode 39 - Episode 40 - Episode 41 - Episode 42 - Episode 43 - Episode 44 - Episode 45 - Episode 46 - Episode 47
Sword Art Offline Episode 01 - Episode 02 - Episode 03 - Episode 04 - Episode 05 - Episode 06 - Episode 07 - Episode 08 - Episode 09 - Extra Edition
Two Episode 01 - Two Episode 02 - Two Episode 03 - Two Episode 04 - Two Episode 05 - Two Episode 06 - Two Episode 07 - Two Episode 08 - Two Episode 09
Ordinal Scale
Drama CD Accel World + Sword Art Online Drama CD Ordeals of Kirito
Sword Art Online Art Book and Guide Book Main Page

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