risk vs reward, this is what made this game so great.

Only a handful of games have come to life with the same original "spirit", Asheron's call, Darkfall Online and Albion Online to name a few.

UO is a real world with consequence, your actions really matter and the people around you can be a threat at any given time or help you in unimaginable ways, this alone is the best feeling you can get from playing an MMO. Players are the content not the scripted AI.