he acknowledged the strength of just about every SN that hurt him also sir
I dont know why you get the impression that am downplaying what yamato did but by definition
its a nick .
this might help .
nick : a small cut or notch.
here are the two images comparing their best attacks on kaido
yes the scar didnt deter him too much in battle but it did far more than yamato's attack did . Izoro would go on to powerup after this scene so his attacks should be even stronger .
I fail to see what your point is. when it comes to AP , they arent mates.