Each flash was accompanied by blood spraying from Itachi Uchiha's body.
Along with it came Itachi Uchiha's soul-piercing screams.
It hurt! It was agony! Torture beyond endurance!
Those were the only thoughts filling Itachi Uchiha's mind right now.
He had already lost count of how many times Lord Yuu's terrifying Black Blade Shusui had cut him down.
There had been too many times to count.
But Itachi Uchiha was certain of one thing: the blood covering his body was no longer the blood he had when he first came to Lord Yuu. He had no idea how many times it had been replaced!
And the pain of being cut was completely different from ordinary pain!
Ordinary pain could be endured.
In other words, once the body and will adapted to pain, one's ability to resist it would increase, while the perception of pain would weaken.
Resisting pain was also one of a ninja's compulsory lessons!
After all, for ninjas and the major hidden villages, intelligence was absolutely the most important thing.
And unless a ninja was an invincible powerhouse like Lord Yuu, who could guarantee that they would not be captured unexpectedly during a mission?
Once captured, they would surely face the most painful, most unbearable torture in order to make them reveal the needed intelligence.
At such times, how one endured the first wave of pain was crucial.
Given the importance of intelligence, ninjas naturally had to train in this area.
Although Itachi Uchiha was still young, as Konoha's genius ninja and the son of the Uchiha Clan's patriarch, he had received such training long ago.
After all, sometimes, if one remained silent after being captured, they could instead survive long enough for a possible rescue to arrive.
But if they revealed everything the moment they were tortured, they