Then there's the whole series of bugs related to quests that have frustrated just about anybody that has played the game. You do the work on a given quest and follow the leads only to find that there's a problem with an NPC never showing up or getting stuck in mid-air. And these aren't just on class specific quests but even on the main quest you have to undertake. Then there's quests where characters are supposed to be dead or dying, but going back reveals that they are still right where you left them. Other times there are quest where if you miss the NPC that is the object of your attention then you will never again encounter them. There are all kinds of small and grand problems with the main and sub-plotlines that are a major hassles to deal with.​