Kagunes

A kagune (赫子, red child) is a ghoul's predatory organ and functions as their weapon and claws. It is usually as red as blood (the colors are varied in the anime to distinguish the kagune of each individual), flexible like the flow of water, but firm and sturdy. When released, a ghoul's physique is strengthened, they are more resilient, and their mobility heightens.

Although a ghoul's healing ability is high, the healing of wounds tends to be delayed if the wounds are inflicted by a kagune. It is also evident that in order to counter a kagune in battle, one must also have a kagune. Hence, ghoul investigators use kagune-based quinque as a tactical means to battle against ghouls.

These are the Kagunes: