The Rajya ke Varisa are a group of Crab, Unicorn, and Mantis samurai who study the fighting techniques of the Ivory Kingdoms kshatriya and find ways to use them in conjunction with Rokugani combat techniques. The gaijin turned-Mantis known as Yoritomo Singh also contributes to the organization’s training, seeking to preserve some aspects of his former culture. So far they have managed to devise only one technique, albeit one of significant value.
"We sometimes play a game amongst each other. One Kaiu devises the strongest fortification possible, and the others must figure out its weakness." - Kaiu Watsuki
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The Crab Clan has maintained a fleet of iron-armored "Turtle Ships" for centuries, but during the age of the Shattered Empire the threat of Mantis raids and the lack of any support from the rest of Rokugan forces them to expand the fleet and to arm and reinforce all of their wooden vessels as well. Hida O-Ushi commands that Earthquake Fish Bay be made impregnable against any naval attack, whether mundane or Shadowlands in origin. This task is given to Kaiu Utsu, the family daimyo and a famed Siegemaster.
Since the first days of the Crab Clan, the athletic and attentive Hiruma have often served as yojimbo for the Crab Champion and his most important vassals. This is not because the Hida lack for physical or martial power, of course, but rather because the Hiruma excel at perceiving threats that other Crab might easily miss. They are also considerably faster than the average member of most other Crab families, and speed is an essential component of any successful yojimbo’s repertoire of talents.
The Snipers are an outgrowth of the fall of Hiruma lands in the eighth century, and the Path does not exist prior to that era. they are trained to stay calm and shoot accurately even when assailed by terrifying monsters, targeting their foes' weak points.
While most samurai despise the masakari as little more than a peasant axe, the Hiruma found value in its combination of relatively small size and the ability to deliver powerful cutting blows against Shadowlands beasts. The Slayers specialize in hunting down dangerous Shadowlands creatures, often operating deep within Fu Leng's realm with little to no support. During wars with other clans, however, the Slayers' skills can also come in handy for raiding behind enemy lines.
A tiny off-shoot of the Falcon Clan's bushi traditions, the Falcon's Strike Dojo becomes much larger and more influential after the Falcon are absorbed into the Crab Clan in the early twelfth century. The dojo selects its students for keen vision and sharp senses, and they learn to reply on focused senses rather than the mechanics of drawing and firing to hit their targets.
The Crab have a long and storied tradition of excellence in sumai, whose social respectability can grant skilled Crab wrestlers access to courts where they might otherwise never be invited. Promising students are taught at the Grip of Earth Dojo, the principle home to the Crab Clan's sumai fighting technique. When another samurai encounters a Crab bushi utilizing sumai techniques, it is almost always a graduate of the Grip of the Earth Dojo.
A few Crab have specialized in knife-fighting over the years, enough for the clan to maintain a few sensei who teach advanced knife techniques. Many of these are sailors, especially Yasuki, who prefer a fighting style which uses small, cheap weapons in an environment where speed and mobility are more important than reach and power.
The limited Crab dueling tradition is maintained in the Unbreakable Blade Dojo. It emphasizes endurance rather than speed, teaching its students to endure their opponents' first blow in order to survive to deliver their own. Due to the Crab Clan's martial and pragmatic nature, the sensei of the Unbreakable Blade focus their training on lethal duels (both on the battlefield and in court) rather than on the duels to first blood that are more common in other clans.