Board Thread:Versus Debates/@comment-35057921-20191023205948/@comment-43403813-20191027231515

The thing is though, her head is the source of all her powers. So even if blasting her head off didn't kill her, she wouldn't be able to function in terms of her Byakugan and Rinnesharingan powers, as well as simply using her brain to control her muscles, arms and legs. Wouldn't that mean that Naruto and Sasuke could then go in to damage the rest of her body whilst she spends time regenerating? And that is assuming that she can still regenerate with no brain or eyes. I don't wanna bring too much science into this, but regenerating a brain surely has to be more complicated than growing limbs back.

Also, the people you listed all specialise in ninjutsu, which Kaguya can absorb, including Sasuke's Susanoo, which just melted away. And Kakashi only got his Kamui powers back when Kaguya became that weird rabbit monster thing, so maybe he could have hypothetically used it earlier, unless Kaguya could use her own time-space technique to escape it.

We've never seen any person have their head destroyed and subsequently regenerate it. The closest thing we have is Hidan, but his head wasn't completely destroyed like the hypothetical situation where Kaguya's head is destroyed by a Night Guy kick, it was only sliced off.

Think of it like a zombie, a zombie can still move its mouth and jaw even if you cut off its head, but if you destroy the brain, it ceases to move. I know Kaguya is wildly different to a zombie, but if you destroyed her brain, she could also cease to move, at least for a temporary amount of time.