In this episode Zoro fights Dazs bones or mr one. After zoro cuts steel, mr one asked "what's next, diamonds?" And then zoro said that would be a waste. What does he mean by that.
He meant exactly what he said , it would be a shame to cut diamonds . No point in it.
Diamonds are one of the hardest things to cut. Zoro won't be able to cut diamonds until the end of the series when he becomes the strongest swordsman.
Even mihawk can't cut jozu
What do you think?