Yeah it’s easy to miss out a couple of NPCs in maps where there are trees and objects everywhere, or NPCs hiding in a corner.
Doesn’t it make game more interesting? I mean, searching content by yourself is kinda more satisfying than just following game advices and markers on the map. Am I wrong?
Meanwhile you can use this, it helps a lot
http://toscamp.com/map/map3.7.php
Yes it is in Korean but you can guess the map with the level/layout