Leveling up on higher-level maps

Fix the experience gain on high-level maps.
I’m leveling up my second character and quickly going through the campaign, sometimes skipping mobs. I reached Act 5 with level 41, and I’m not getting any experience from locations where mobs are level 51+. I’m getting crumbs, and I have to go back to locations around level 41 to level up. What’s the point of such a decision? I’ve already spent 60 hours completing the campaign for the first time. I don’t want to farm monsters in the campaign just for levels. Make it so that the higher the level of the location, the more experience the player gets. Tougher mobs - faster adaptation to them. At least for the second and subsequent characters.