I don't think that's the case. If Sanji starts running and uses the accelerators, would it not boost his speed?
Increasing durability increases attack power ..that's literally what COA does.
You said he is fire proof which means he doesn't get burned. If that is true then why does he have burn marks?
What creates burn marks?
Increasing durability increases attack power ..that's literally what COA does.
You said he is fire proof which means he doesn't get burned. If that is true then why does he have burn marks?
What creates burn marks?
Now if you told me that Sanji got niji's raid suit then i can agree his speed increase because Niji's ability is lighting / light speed.
Sanji ability is stealth which is invsiblity. Even you saw franky say "wow hes moving so fast we can't see" but law corrected him and said its wrong stealth black turns invisble not move at a fast speed.
Now if you look at sanji without the raid suit and his speed on oven. This is the true " wow hes moving so fast you cant see" that franky mention and not invsiblity powers.
You can see the difference here which i'm showing you in "stealth" and "speed".
Sanji's raid suit is literally named "stealth black" the suit itself is meant to fit his style of being sneaky and undercover.
Ichiji's suit is explosions/lasers /destructive power
Nijiji's suit is lighting / speed
Yonji's suit is raw power and strength
Reiju suit is confusing might be posion but thats her devil fruit so idk..