rinkaku: has an appearance similar to scaled tentacles and is released at the back around the waist. A rinkaku has powerful regenerative abilities and its peculiar appearance and structure yield a superior striking power. A rinkaku excels in brute strength.
bikaku: typically has a tail-like appearance and is released around the tailbone. It is good for medium-distance attacks and has decent offense, defense and speed.
koukaku: metallic and released below the shoulder blade. This is achieved by a high density of Rc cells. It is heavy and extremely robust. Of all the kagunes, they have the greatest sturdiness and are especially suited for defense. Normally, they are generally shaped into armors or shields. But on the offense, they can be shaped like melee weapons such as drills, hammers or blades.
ukaku: released from the shoulder area. The kagune is lightweight and can be used to deliver high-speed attacks against an adversary. The kagune is suited both for short-distance and long-distance attacks. Altogether, ukaku-type ghouls have a high chance to end the battle after a short time.