You need to realise that the description is use of hyperbole. The use of exaggeration in order to better describe something? Do you honestly believe amaterasu is as hot as the sun aswell?nope, amaterasu won't stop burnin' till whatever it ignites is reduced to nothing
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it's possible they can be revived if reduced to ash but amaterasu doesn't reduce it's target to ash, it reduces them to nothing.
the bodies can't be revived if they're reduced to nothing.
In any case, it even says there that amaterasu reduces it to ash. It also says:
"The flames burn fairly slowly, sometimes allowing anyone struck by Amaterasu an opportunity to remove whatever clothing or body parts have been caught ablaze."
And did I not already say that Deva Path, with it's gravitational powers, could remove the flames?