Karin's "Kagura Mind's Eye" was not the Byakugan and could not precisely discern the amount of Chakra.
However, she could judge whether someone was powerful, or even whether they were lying, through factors such as the temperature and sensation of their Chakra.
Sasuke's Chakra had once felt warm to Karin, but ever since he had killed Itachi Uchiha, Sasuke's Chakra had become cold and terrifying.
Kaguya Seiya's Chakra, on the other hand, gave Karin a sense of overwhelming strength and invincibility!
How overwhelming was it?
Put simply, the Eight-Tails' Chakra had also felt powerful to Karin before. After all, Tailed Beasts were massive collections of Chakra.
But what Seiya gave Karin was an awe-inspiring feeling. Merely standing before him made her soul tremble in fear, as though he and they were not creatures from the same dimension at all, but a true god!
Faced with such a being, Karin could not summon even the slightest thought of resisting him.
Even earlier, in order to save the Sasuke she had been constantly thinking about, she had not dared approach Seiya. Instead, she had used the Chakra chains of Adamantine Sealing Chains to wrap around Sasuke's body from afar and drag him to her side.
Although dragging Sasuke along the ground had scraped up her male god's stunningly handsome face a little, making Karin's heart ache terribly.
There had been no other choice. When facing Seiya, her legs had gone completely weak, and she had not even been able to stand.
However, having gotten back on his feet, Sasuke naturally did not heed Karin's advice.
His enemy was right before him, and even his beloved Nii-san had never beaten him up like that. Yet this guy had just brutally thrashed him. How could someone as proud as Sasuke Uchiha possibly let it