The sea. The sky. Tunnels. Caves.what are the major categories of landscape, ie the backdrops and stage sets for your characters?
the frozen north https://elderscrolls.fandom.com/wiki/Skyrim
the grasslands the steppe the prarie https://gameofthrones.fandom.com/wiki/Dothraki_Sea
Pynchon said he lifted a bunch of stuff in the third chapter of V. from Baedeker's guide to Egypt,thats the kind of material deposit you draw from as a fantasy writer
"If [...] you believe that nothing is original, and that all writers 'borrow' from 'sources,' there still remains the question of credit lines or acknowledgements. It wasn't till Under the Rose (1959) that I could bring myself, even indirectly, to credit guidebook eponym Karl Baedeker, whose guide to Egypt for 1899 was the major 'source' for the story. [...] "Loot the Baedeker I did, all the details of a time and place I had never been to, right down to the names of the diplomatic corps." "[...] The old Baedeker trick again."