Jigogan

Jigogan is eye technique used by Hashi. It's used to detect enemies. It can be learned in Hell by Dark Kais.

Appearance
User gets red eyes, gradiently getting from dark red to light red. Inside can be seen black "stains" that are used to detect more pictures.

Usage
It can be used in battle for many things like detecting enemies. With help of "stains" it can detect many enemies at once. It also makes vision much better. User can see 500.000 times sharper than eagle. It can be used for learning techniques and recognizing persons and objects.