..A Bijudama is also energy but much stronger. If Minato can deflect a Bijudama, he can also Deidaras explosion.
But I don't see how Minato will win this, Deidara is still an Edo Tensei. The only chance is to seal him with his dead demon seal - both of them die.
But I don't see how Minato will win this, Deidara is still an Edo Tensei. The only chance is to seal him with his dead demon seal - both of them die.