Watching Ido's body take on a solid form, Shinji's expression turned grave. A different kind of Spirit Transformation Technique?
He knew all too well how powerful the Spirit Transformation Technique was.
Dan Katō, an elite Jonin who had aspired to become Hokage, had made a name for himself in countless wars with that very technique.
The Spirit Transformation Technique let the user's soul break free of the body and move across the battlefield as a Spirit Body. They could attack enemies directly with their Spirit Body, invade their minds to control their bodies, or destroy their spirits.
In short, as a Spirit Body, the user could reap enemy lives at will on the battlefield!
And just as terrifying as the Spirit Transformation Technique's power was its difficulty to master.
It was rated S-rank in difficulty.
In other words, even a Kage Level shinobi might not be able to master it.
At the same time,
because it required the soul to leave the body, the Spirit Transformation Technique was also a forbidden technique.
The body restrained the soul, but it also protected it at all times. That meant that for any shinobi who had not reached Six Paths level, a Spirit Body was relatively fragile.
So for a user of the Spirit Transformation Technique, once their Spirit Body left the protection of their body, an accident could happen at any moment.
Besides that, the Spirit Transformation Technique had another major weakness.
Once the user activated the Spirit Transformation Technique and their Spirit Body left their body, their physical form could no longer move and was left completely defenseless.
Shinji remembered that Dan Katō had died because his body had been gravely wounded.
He did not know the exact details, but given the nature of the Spirit Transformation Technique, Dan Katō's body