Ghouls use kagune, or shining one, to function their weapon and claws in order to fight. When released, a ghoul’s physique is strengthened and are more resilient while their mobility heightens. A kagune is composed of Rc cells that flow just like blood and can become as solid as teeth, therefore earning the name “liquid muscles”. The Rc cells are released from a kakuhou, a sac that holds the cells, piercing the skin and the cells that are released form the kagune. The kagune can be hardened or softened at will by the ghoul. If a ghoul is inflicted by a kagune, the healing of wounds tend to be delayed. Depending on what you want your ghoul to ‘specialize’ in, you need to choose a kagune out of these.

Ukaku: This kagune means shining feather and it is spread out (like a bird’s wing) and released from the shoulder area. The kagune is lightweight and can be used to deliver high-speed attacks. This kagune is suited for both short-distance and long-distance attacks. This kagune gives ghouls a higher chance to end the battle after a short time. However, when releasing the Rc cells, the ghoul’s stamina decreases drastically. Ukaku-type users lack endurance and are at disadvantage if the battle drags on for a long time.
Strength: Ukaku-users fight best against bikaku-users. They use their speed and mobility to shoot them down.
Weakness: Koukaku-users can successfully guard against an ukaku-user’s attacks, leaving the ukaku vulnerable to counterattacks and exhausting the user.

Koukaku: This kagune means shining shell and is metallic and released below the shoulder blade. It is heavy and extremely robust which makes it have the greatest sturdiness out of all the rest of the kagunes. This kagune not only provides defense by changing into armors or shields but it also can be shaped into melee weapons such as drills, hammers, or blades when going into the offense.
Weakness: Due to this kagune’s high weight, it’s speed is inferior and is very hard to wield. A rinkaku kagune can deliver severe strikes against the slow koukaku, breaking their kagune and breaching their defense.
Strength: A koukaku-user can fend off ukaku-user’s onslaught using its guarding capabilities and preventing the ukaku from attacking.

Rinkaku: A rinkaku kagune is also known as shining scales and has an appearance similar to scared tentacles that are released at the back around the waist. This kagune has powerful regenerative abilities and its peculiar appearance and structure yields a superior striking power which makes this kagune excel in brute strength. Because the kagune’s regenerative power is a result of the Rc cells easily binding together causing them to be weak, this kagune is brittle and fragile.
Weakness: Rinkaku kagune have serious problems when fighting against the balanced bikaku kagune. The high power of the bikaku allows them to fight against the brute force rinkaku. The rinkaku’s kagune’s brittleness makes it easy for the bikaku to cut it off. This leaves the rinkaku at a disadvantage on the defense when disarmed no matter how much strength is possessed.
Strength: A rinkaku can deliver sever strikes against the slow koukaku, penetrating the kagune and breaching the koukaku’s defense, allowing the rinkaku to attack.

Bikaku: The bikaku is known as shining tail and typically has a tail-like appearance when released around the tailbone. it is good for medium distance attacks and has a decent offense, defense, and speed. They have no notable strengths or weaknesses meaning the kagune itself is treated as a surprise “trump card”.
Strength: The bikaku has better speed and durability against the brute-force, bittle rinkaku which allows them to cut off its kagune.
Weakness: A bikaku will be overwhelmed by the fast ukaku user and will lose against the ukaku’s long-distance attacks. Because of the bikaku’s balanced characteristics, this makes the kagune a preferred quinque type for CCG investigators, causing the bikaku-users to be hunted.