With the first level of the Cursed Seal, Kidomaru became even more eager and sadistically minded, while not losing his analytical mindset. He still perceived battle as a game, but now his pleasure from tormenting the opponent noticeably increased. At the same time, he remained a cold-blooded tactician, capable of quickly noticing the enemy's weaknesses and adjusting his strategy to new data. It was in this state that he began to systematically identify the Byakugan's blind spot, testing Neji's defense. Arrogance and overconfidence were fueled by the power of the seal, but did not prevent him from soberly assessing the situation.