Ryu-Kan is a crew member who joins as an "Artisan". His recruitment is completely unique and as such makes him arguably one of the toughest to get. Recruiting him is required for Vyse's Vorlik Blade, the strongest weapon in Skies of Arcadia and the second-strongest in Skies of Arcadia Legends after the Sky Fang.
Ryu-Kan can only be recruited after reaching the rank of "Vyse the Daring" or higher. In the GameCube version, you must do this either before dropping to "Vyse the Fallen Pirate" or after defeating and reporting Vize.
Ryu-Kan desires to speak only with the worthy. As a result, he seems apathetic to Vyse's presence when at a rank lower than "Vyse the Daring". After recruiting him and before upgrading his shop, he seems dissatisfied and tired. Once his shop has been upgraded, he will ask Vyse about Velorium, a type of metal that can be only found in Deep Sky. After giving him two pieces from the Vortex, Ryu-Kan will forge the Vorlik Blade, and ask Vyse if it's being put to good use.
Ryu-Kan is a hermit, and found on a small island in the southeast corner of the entire map past the Dark Rift. Before having the ability to traverse Upper and Lower Sky, he can be reached by traveling north of Yafutoma.
Ryu-Kan's Crew Ability requires 15 SP to execute. When activated, Ryu-Kan increases the ship's attack and defense for one turn. If he is part of the active crew when the Blue Rogues Super Move is activated, Ryu-Kan appears forging a sword and says, "That's a fine blade!".