You literally die hundreds of times just in off-line story mode.
Bosses (and mobs) make you want to throw your controller thru the TV.
You can get invaded so people can make the game even harder.
You can try to look for a duel and get ganked by 3 clone farmers using TWoP and WoG.
You can find people that do nothing but circle for a BS.
You can be nice and bow and get BSed or TWoPed.
You can die for no good reason and the other guy will taunt like he deserves it.
You can win and get hatemail from 12-year-olds.
Lag can literally destroy PvP due to the accuracy given and needed for controls.
BUT YOU STILL COME BACK FOR MORE.
That's how golden this game is.