So what, a little water is now enough to counter a "country buster" as u say?? Laser form at point black range is even more powerful as u convert whole energy into limited angle as opposed to normal bijudama that expands in every direction thus most of its power is wasted in vain.
Amaterasu ignites anything and everything, only counters are either to seal it away or to separate whats already on fire from rest of target. And what feats bijudama has? Hashirama, madara, orochimaru, 3rd raikage, jinx of obito, naruto, kakashi, gai and bee all tanked that sh*t and survived just fine. What did bijudama actually kill aside some civilian villages and HQ??? Im not saying sasuke survives juubi attacks, but he can kill it unlike whole SA
All Bijudama's aren't the same strength.
Hachibi's has a mountain buster. That's completely diffrent from the Juubi's.
Orochimaru didn't tank a real Bijudama, he tanked what was left of a 4tk Naruto's Bijudama after it went through 3 rashomon. Nothing notable.
Hashirama and Madara didn't tank Bijudama. There Jutsu did. The weakest form of a complete Bijudama mind you.
Naruto, Kakashi, Guy, and Obitos Jins have never tanked Bijudama. Don't know what ass you pulled hat out of.
Third Raikage never tanked Bijudama. That's just speculation . His feats show that he can't.
Killer Bee tanked Bijudama after it lost a monumental amount of power from being deflected by the Juubi.
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Amaterasu hasn't done shit. Karin tanked it with no damage, it couldn't burn the samurai armor, didn't damage Sasuke, didn't Bee, didn't even leave burn marks when Sasuke used it against muki Tensei, didn't burn A's arm, didn't do anything to Gaara's sand, barely Damaged Nagato's arm after Naruto and Itachi had a whole conversation
Want me to keep going?