We'll have to agree to disagree.

I can't speak for Torchlight since I haven't played them, but Divinity and Elder Scrolls are not derivative. Divinity is a deliberate parody of typical fantasy tropes, while Elder Scrolls has a unique background lore full of detail and ambivalence, and while I agree that Oblivion's setting was quite generic, Morrowind had a unique, atmospheric world, and Skyrim does as well (but not as much as Morrowind). Even Diablo felt pretty unique with its dark world and atmosphere.

I don't mind a cartoony look in games (I love Divinity and Drakensang, and even like Sacred and Fable) but to me, Amalur just feels... assembled and very MMO-ish.