I think the kings hand (side B of the duellist) is based off of a bluesbreaker circuit if I’m not mistaken.
Blue side of the protein is killer as well (pro10 blue). Highly recommended if you haven’t built one yet.
I just finished this and the kings hand (assuming yours is a lone king). I like the kings hand so much that I ordered another pcb for me. I didn’t care much for the lone king.