User blog comment:Kivivongo1/My Crazy Ideas/@comment-9118156-20140110213821

So, he only sells the Plasma Rifle and its ammo in the Corruption? What about Crimson worlds? What if: he sells the ammo anywhere if you have the rifle in your inventory, like how the Witchdoctor sells ammo for the Stynger if you have it. Also, maybe he sells the rifle in both Corruption and Crimson, or a different item in the Crimson?