@Le:
Dismissing lightning is different than dismissing air. And if he could kill with the breath of all things, he should have done so in his earlier confrontation against Enel.
this is why it is called the "Breath of ALL THINGS!"….
Zoro: {The falling rock was like a living thing… I felt its presence...
Not presence... it was stronger than that... just like...
"BREATH"...
The breath... of rock....
Trees have the breath of trees.
Soil has the breath of…
Is that what he meant…?}<<sensei: you="" see,="" there="" are="" swordsmen="" in="" this="" world="" that="" can="" cut="" nothing.<br="">Zoro: {So does "cutting nothing" mean… to know their "breath"...?!</sensei:>
Also, Zoro's Asura technique DID Alter Reality it basically turned Kaku's attack into mist and Zoro ran right through it.