I wanted a lot of things when I started training. Very quickly I was blackpilled. It doesn't matter if you try for an arm-dominant physique or not, it's all genes.
My friend who has world class arms still, better than ever, was asked over 20 years ago for a magazine arm training feature: "what exercises do you do, how did you get your arms that big." His answer, "write what the fuck ever, write that I do curls."
Most guys on this forum know this but refuse to completely believe it, that it doesn't really matter. Even I was planning for an "arm blast" for this summer, figured I might put on a half inch by hitting them 2-3 times weekly, maybe at least inflame them a little. Maybe even put my gear in the arms, something I've never done. But it was not to be, I'm now 7 weeks post-op bicep tear, just starting rehab.