Diablo 4 Patch 1.1 nerfs the ability to be power leveled by your friends in high-level dungeons
The power leveling method has widely been the quickest and most efficient way of rapidly leveling up Diablo 4 characters, even if it’s not considered the most sporting or genuine—that is, until a big change included in Patch 1.1.
Under the gameplay section of the massive Patch 1.1 notes posted today, the Diablo 4 developers included a note that says they’ve observed too many instances of stronger players clearing out a dungeon while their lower-level pal sits at the entrance and collects all of the experience. Here’s the full explanation: