>>1011149
forgot to mention but I vertex painted over the sculpt, stayed in sculpt mode and used the paint tools since they're a lot better than what you get in the dedicated vertex paint mode, mostly just soft brush and hard blending, was using a mouse too but w/e
just plug the Color Attribute node into the Principled BSDF and it should be fine

>>1011150
without, all just a single texture, although it's as easy as setting the bake setting to normal, then it's just a matter of plugging the normal map in alongside the diffuse