only way to really get a hamon like that I have seen some will quench the edge only and let the back air dry, I dunno if you did this? (outside of differential treating and or clay hardening)
lol my problem is i dunno which knife to select lol, i have a few more since i have posted that, i will post them here
Ex Gurkha Kukuri House Military Issue
my new EDC CRKT Fossil
i touched up the edge on my Busse Boss Jack, and tried it against some telephone book paper
https://www.youtube.com/watch?v=p5Y0ddkA3BA&feature=youtu.be