After getting killed by Sukuna, the king of courses, Satoru was eventually dragged to his reality of death. But he didn't want that.... So he did the most...unthinkable thing ever... He gave up his Six-eyes in a binding vow to tengen in order to come back alive...

But this binding vow of giving away his Six-eyes took his techniques away...his infinity, hollow purple, lapse:blue, reversal:red... Literally every techniques that he had cause of his Six-eyes.... But of course..hes now blind as well...

The shining icy blue eyes Satoru once had was now, just blue....blind...