Yes, DD was very basic, but it has it's own charme because of the humor. New concepts like riftrunning and the Dragon Knights were newly created in each new games and sometimes Larian rewrote some stuff due to budgetcuts (that's why Elves are almost extinct and why the landscape changed. Personally I would just have written that the game takes place in another landscape, which was the case) and I think we can assume, that with D:OS2 we will finally have a definitive Lore for the world.
But since Larian played with a lot of concepts (Steampunk, Dragon Knights, talking objects) the world will be at least very colourful and full of possibilities, compared to the standard fantasy - setting at the beginning of the series. So yeah, every bad thing has always a bright side
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