Thinking about it deeply, Yami decided to buy Basic Observation Haki and develop it with training, so as to save points. Just as Yami finished deciding, the class teacher came into the room. The originally noisy children quieted down.
The teacher is a Chunin and very dedicated to his job, taking teaching children very seriously. Yami is wondering how fast he with his current strength could defeat a Chunin, because although his body statistics far surpass a Chunin and combined with Basic Swordsmanship Yami should be able to instant-kill a Chunin.
But that's only theoretical after all because Yami lacks combat experience. This is not a big problem for him though, combat experience of villains can be bought in the system mall.
"Good morning children. Today we will talk about trapmaking, I hope everyone will listen seriously."
The teacher started his lecture and Yamis's mind dived back into the Systemmall.
-6 hours later-
Yami is back in his courtyard, holding a rusty training sword in his hand. Slashing, stabbing, and getting familiar with all sword moves, getting smoother and smoother with the sword as the training progresses.
"Okay, let's try cutting steel and sword qi now."
Taking a deep breath Yami closed his eyes and tried to feel the piece of iron he laid on the ground. Vaguely he seemed to feel the possibility of everything to be cut. Small lines appeared in his vision and he slashed along them. The iron piece was cut like butter and fell into two parts.
"So this is it. Cut everything you want to cut, never cut anything you don't want to cut. I now have the ability to slash at wood with full strength without cutting it, but I also can lightly slash iron and make it into scrap metal. I am liking swordsmanship more and more. Now is sword qi, let's see."
Focusing his mind, Yami slashed the air in front of him. The air seemed to be frozen by something and then it hit the tree ten meters in the distance and cleanly cut it through.
"The power is really strong and the speed of the slash cannot even be dodged by ordinary Jonin. Pity that it takes 1/5th of the energy in my body. Even though I have the monster physique of Kaido when he was a child. Well, training will get rid of energy problems, now let's get back to body training."
-4 hours later-
Yami finished with his training, cleaned himself up, and left his house to wander on Konoha's streets, trying to get information about the situation of the Uchiha clan at the moment. Sasuke was about eight years old when Itachi slaughtered the clan, so theoretically there is still quite a bit of time left. But that is only on the surface, the situation of the Uchiha clan and Konoha high level is already very tense and some small things could detonate the powder keg.