Sitting in one spot for hours upon hours totally = skill. You'll know you have skill when you can't feel your ass anymore.
Show me someone who says mages can not melee and I will show you someone who has not seen the actions of Gandalf The White at the battle of Minis Tirith.
I suppose you could call Painite a +1 version of an Onyx. And yes its rather random, depending on your level in Goldsmithing and the day... not to mention a few other varying factors such as special crafters gear and Id imagine you'd have better luck at getting Painites and Death Stones.
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"And in the land of star crossed lovers And barren hearted wanderers Forever lost in forsaken missives and Satan's pull We seek the unseekable and we speak the unspeakable Our hopes dead gathering dust to dust In faith, in compassion, and in love." --Billy Corgan, "Cupid de Locke"