Haruyuki described him as a rather calm person. However, it was stated that when Black Lotus beheaded Red Rider he was the angriest among the kings that there is a rumor that he even destroyed the ground.
Return of the Black Snow Princess (Side Story)
- Main article: Elements (Side Stories) Arc
Sacred Fire Shrine Maiden & Carbide Wolf
In Volume 6 and 11, he features as the one to host all The Six Kings of Pure Colour Conferences via his two Lieutenants, Cobalt Blade and Manganese Blade. Furthermore, he later becomes the "Judge" who determines whether a bounty will be put on Silver Crow or not after he becomes infected with The Disaster and is given a time limit of one week to purify himself of it
Simply put, Blue Knight is, as his name describes him as, a knight. His avatar is predominately colored in various shades of blue, with a few yellow crystals on certain spots of his armor. He also has a helmet with curved horns and an equally blue cape, completing his appearance as a head knight of sorts.
Blue Knight's abilities are top notch close combat abilities, with immense skills in swordsmanship. His strength is also further proven in his level 9 Blue Coloured Duel Avatar and his titles such as "Vanquisher" and "Legend Slayer." His sword is one of the Seven Arcs, the First Star of the Dipper «Alpha», Greatsword «The Impulse». He is respected enough to be chosen as the one to judge whether or not Silver Crow should be uninstalled after he equips the «Disaster Armor».
In Volume 12, his abilities are listed as «Unlimited Driving Force» and «Pain Killer», suggesting that he possesses techniques geared towards a direct confrontation of his opponent no matter how powerful it may be.