However, how was I supposed to deduce, which area contains enemies of my level *without save/load*? Really, please tell me. I never felt so stupid and kid-angry playing a crpg.
You walk until you can barely see enemies in the distance, and you put your mouse cursor on top of them. You should be able to see their level well before getting into their sight range.
Hold Ctrl to see more stats (if you have points into Loremaster or items granting +Loremaster) and
The game is aimed towards the more hardcore old-school player, and it can be difficult to adjust to that mindset.
You getting confused about the right way to go is not unusual. It happened to many people during the beta as well.