[The numbers in () are your proficiency rating or levels of the skill. Mastery is 10/10 but that doesn't mean you can't bring the skill to further heights. Also, You have Finished the Tutorial of the system. No more system prompts, enjoy your life or just kill yourself, whatever!]
Didn't Tobirama used this or something similar against Izuna?
So it will be really useful in a fight against kage rank shinobi, though it might not be effective against those who possessed ocular dojutsu especially sharingan which is resistant to Genjutsu a lot.
Her eyes sparkled with intelligence and mischief, giving her an aura of mystical charm. She introduced herself as Yae Miko, a revered Kitsune shrine maiden known for her shrewd yet elegant etiquette.
Angina gazed at him knowingly, having seen through his thoughts. Then, with a playful glint in her eye, she posed a shocking question, "Dick, have you ever considered what it would be like to... breed with a griffon?"
This realization hit Dick hard. He had inadvertently entangled himself with a force much greater than he had anticipated. In the world of adventurers and monsters, he was but an F-level entity, significantly outmatched by a Black Steel.
After the meal, he told me about some interesting ideas that I never would have imagined freezing liquids from the opponent's body creating clones out of ice creating countless mirrors out of ice to confuse the enemy
I was excited to see if things would go as planned or fall apart completely because either way it didn't actually matter, once my strength returned and I'd had enough fun playing around, Issei Hyoudou would cease to exist.