4. Create a Wise but Useless Guide: The Guide is wise adviser who knows all about the Quest, but never fully reveals it. He also appears to have immense powers but will not use them when they are most required.And:
Technology: Fantasy Worlds...are ruled by councils of venerable sages who are the guardians of the accumulated learning of thousands of years and yet have never got around to inventing anything that might actually help them against wights, trolls and orcs -- such as a .44 Magnum.Read the rest here.
Note: Fantasy Worlds never have working economies. Very few people work, there is little agriculture and it is not clear where food comes from.
via The Writer's Hole