It is quite thorough, and quite well done, and quite worth your time to view.
Back in the day (uh oh – he said “back in the day”. There go half the readers), back when Epic difficulty was new and seriously difficult, way back then, we used to get a special reward on quest completion.
Not just loot, although we’d get special loot too. No, I am referring to the visual and aural treat of opening an Epic Chest.