A unique Hiden jutsu that is passed down to members of the Onikuma clan. Described as a "possession-type" Summoning Technique, the technique mutates the users arms into a beast-like form granting them enhanced strength and allowing them to stretch similarly to the Soft Physique Modification. The user can also assume a more bestial form when they become emotionally vulnerable resulting in them losing complete control over the technique. Enko Onikuma was prone to fits of rage which were triggered by feelings of loneliness caused by other's fear of her due to the jutsu's appearance. Until she understood what brought these fits, it required her team-mates to tranquillise her when she lost control.

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