Cross Creed
Wanted Pirate
Absolutely should be added, even up to legendary items. No one cares about your RNG in getting a legendary sword. That's neither time nor dedication, it's sheer luck.
Setting it this way would also provide incentive for players acquiring multiple rare items in order to trade for what they want and create a market.
I think you don't know what you're talking about. People do care about RNG in getting legendary swords, its what makes them so rare and sought after. It is luck, but that doesn't mean we should make a market so any noob who just wants a legendary can have it. Definitely no to trading.