Only the most accomplished weapon-smiths can alloy a silver weapons – mostly Ducateon, some few other species that have been taught the process. Most can silver a weapon temporarily with a soft coating. In such cases, a weapon must have the silvering process re-applied after a certain amount of Major [Hits]. Greeniron has the same properties, though there is none of its source material left to make any further items.
d20 [specific] Requirements: Per PHB ™