Idea 2 : you are an elite knight and your land is filled with crime or an evil force.
Idea 3 : The elder scrolls creator : you have an unbuilt land that only you have a portal to and you build castles towns settlements charachters creatures factions and everything you desire custom armies and weapons and you rule your land! Create new races and mounts. You can design everything from placing a few trees near a lake you made to a castle the size of 15 imperial cities! Not only can you travel between cyrodiil and you land (whatever you name it) but you can go to shivering isles hammerfall elswyr skyrim black marsh summer set isles morrowind and every other land! These are my 3 main ideas
P.S. I could also use help thinking of idea 1 storyline ( idea 1 is the emporer one