Thats just knocking people out with coc.
Pretty sure the black lines are just visual affects that show the user has coc. Oda didn't think of the idea until dressrosa. Just like nobody was shown with coa hardening at the war.
One sagging Zorotard have ruined the manga further by spreading misinformation and stupidity. Black streaks do not mean attacks imbued with Adcoc. It simply means the user has COC. ODA has drawn Luffy with these streaks since dressrosa.
I had to say this because tards are saying Luffy used...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.