I havent read all the stuff so don't flame if my intel is lame
i use to be able to get out of map by going to the outer boundarys of the map. like at human there where some closed gates when scion wasnt finished. But if u try and force urself trhough u can get passed the cracks and run....after ur out u have all the freedom. So search for parts of the maps wich has been completed but that are closed by gates or mountains. look for cracks in the boundarys like wooden gates. and go trhough there. also when in towns and dungeons i did it at ellore and assylum. press forward or try to climb on objects by mouse clicking. it will let u trhough cracks and eventually u can walk freely trough walls and sort.....T T AWARE that when u forced urself trough something getting back can be a problem :P
if all my intel is bogus well sorry. this is just my exp with going out of map!