08-13-2011, 12:44 AM
Actually, it's extremely rare and unlikely that the game assigns the same (random) unique identifier to randomly generated items. The duplicate shop-potion phenomenon happens only with the unlimited available potions, because those are generated differently from anything else.
The duplicate blacksmith oil is propably a result from accidental duping, when you picked it up.
The duplicate blacksmith oil is propably a result from accidental duping, when you picked it up.