clearing up a misconception

[chaos control]

When the IT was being casted, how on Earth that hawk wasn't affected?

That's the question. Probably the hawk comes from some place very dark like a cave or something. But that doesn't make sense, why a hawk lives in a cave?

Madara said that the light shined even through shadows and people can't hide.

Summons come from different dimensions. Places like myoboku and shikotsu forest are not on the earth.

 

[chaos control]

Because summoning animals hail from different worlds than where Naruto and company lives, but these worlds have routes that Naruto's world to them, which is why you can walk to Mount Myoboku if you know the way, and why Kabuto was able to find Ryuchi Cave to learn Sage Mode.

Myoubokuzan surely exists on the same world called Earth. They can walk there from Konoha.

You can't walk to myoboku. You have to reverse summon yourself there or be summoned there by one of the inhabitants.

 

[mohdzarif]

You can't walk to myoboku. You have to reverse summon yourself there or be summoned there by one of the inhabitants.

Here.

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[muk]

Maybe it got out of IT when sasuke summoned it from inside the tree wrap

 

[wanderingcactus]

They a fee e from different dimensions. This is why you need to have a summoning contract and a summoning seal to get them.

The summoning seal acts as a portal through other dimensions in which one can travel to from and onto earth.