Sword Art Online Wiki
Warning.png Spoiler Alert: This article or section contains details about plotlines not covered in the anime. Do not proceed unless you wish to be spoiled.

«Knights of the Blood» (血盟騎士団, Ketsumei Kishidan?, lit. "Knights of the Blood Oath") was a medium-sized, high-level clearing guild in «Sword Art Online» (SAO). Consisting of about thirty high-leveled members who were all greatly experienced in battle, the guild was acknowledged as the lead guild in SAO. Their uniforms are styled in red and white to symbolize their guild.[1]


After the boss battle of the 25th Floor, the clearing group endured major casualties due to the boss of the Floor being stronger than expected, as well as the Aincrad Liberation Squad (ALS) rushing into the boss battle after having been given false information about the boss. After the battle, the group's size was reduced to two-thirds of its size due to the large number of deaths and the remaining ALS members leaving the front lines. Therefore, the outcome of the battle put the clearing group into a state of great despair.[2]

Some members of the Knights of the Blood guild.

At this point, the need for a new guild leading the battle and motivating the players on the front arose and the Knights of the Blood were formed,[2] with its leader, Heathcliff, personally inviting the first members.[3] Proudly marching in at the time of the first field boss strategy meeting on the 26th Floor with customized white and red equipment with Asuna, the second in command, standing at the head of the group, the newly-formed guild greatly increased the morale of the clearing group and has stood at the front lines ever since.[2]


The Granzam KoB Headquarters.

Their base is located in the 55th Floor living area, a city known as the steel city «Granzam». Their headquarters is a huge steel tower with silver spears above the gate and white flags with red crosses swaying in the wind (red flags with white/bronze swords in the anime).[4]

Before October 8, 2023, the guild's original base was located in Giltstein on the 25th Floor.[5] Sometime between then and October 15, they moved to a small rural mansion on the outskirts of Nolfret on the 39th Floor.[5] However, the guild eventually had to relocate to Granzam, as their rural mansion at Nolfret was too small and crowded for extended use.[4]

Known Members[]

Image Name Rank Notes
Heathcliff.png Heathcliff Founder and Leader
A friendly smile.png Asuna Sub-Leader
Leader of Team B[5]
Temporarily resigned from the guild on October 24, 2024.
Daizen.png Daizen Sub-leader[5]
Head of Finances
Godfree.png Godfree Sub-leader[5]
Leader of Team A[5]
Killed by Kuradeel on October 23, 2024.
Uzala[5] Sub-leader[5]
Leader of Team C[5]
Kuradeel Laughing Coffin BD.png Kuradeel Former bodyguard Secretly joined the ranks of the Laughing Coffin. Killed by Kirito on October 23, 2024.
Fultz.png Fultz[6] Member of Team B
Muldar[6] Member of Team B
Segro[6] Member of Team B
Sanza.png Sanza[6] Member of Team B
Nautilus donning his KoB armour before departing on a rescue mission - OS manga Ex3.png Nautilus[6] Member of Team B Resigned from the guild on October 18, 2023.[7]
KoB Kirito.png Kirito Member Joined the guild on October 20, 2024. Temporarily resigned from the guild on October 24, 2024.


  • Although Heathcliff was the official leader of the guild, he had almost always left the sub-leaders in charge, even during Floor Boss strategy meetings[4] or the raid on Laughing Coffin.[8] Even during the guild's first public appearance at the 26th Floor first strategy meeting, Heathcliff had Asuna stand at the front of the guild, saying that she would have a greater effect on the clearers.[2]
  • The guild itself has a white and red motif similar to the Knights Templar and, like the Knights Templar, they also have a Red Cross for a symbol.




SAO Guilds Aincrad Liberation Force - Aincrad Liberation Squad - Divine Dragon Alliance - Dragon Knights Brigade - Fuurinkazan - Fumaningun - Golden Apple - Knights of the Blood - Moonlit Black Cats - Laughing Coffin - Legend Braves - Silver Flags - Titan's Hand
ALO Guilds Fuurinkazan - Sleeping Knights