How could Daigo not know that Tiga's essence was darkness? But what he had comprehended were "light" and the "sun." What could he do about it?
Still, it was hard to say whether Tiga's essence truly was darkness.
Whether in the Memory Copy or according to Su Yunqing and Ying Zinian, Tiga's essence was "darkness," and he was one of the Dark Ultramen. Yet as Daigo continued to fuse with Tiga, deeper memories gradually surfaced in his mind.
Tiga had not originally been a Dark Ultraman. He had been a silver-bodied Ultraman, shining with light.
It was only after arriving on Earth, surrounded by Dark Ultramen, that he had turned black.
Tiga's essence was actually "light," not "darkness."
So it was perfectly reasonable for him to comprehend the Rule of "light." As for comprehending the "sun," that was purely because of his form.
Ordinary Group Owner: "Including Daigo, the Chat Group now has four people who have entered the domain of [Rule], but there's actually one more—Saitama."
Ordinary Group Owner: "@Caped Baldy, Saitama, did you comprehend any 'Rule' after fusing with your reward?"
Su Yunqing asked Saitama.
Although Saitama's reward did not involve "Rules," and mainly helped him restore his emotions and hair while increasing the rate at which his strength would grow in future battles, there was always a chance.
Maybe Saitama had comprehended one?
Caped Baldy: "'Rule'? I don't know."
Caped Baldy: "Probably not."
Caped Baldy: "Besides, how could humans understand something like 'Rules'? It's way too abstract."
Caped Baldy: "At the end of the day, isn't it enough to smash everything with your fists?"
Forget comprehending "Rules"—Saitama did not even know what "Rules" were.
How could humans comprehend something so abstract?
Hadn't she noticed that none of the people in the Chat Group who had comprehended them