In Path of Exile dungeons and levels are procedurally generated so no two playthroughs are the exact same. This is one of the things the developers are Grinding Gears did to ensure infinite replayability and an evergreen experience. With each new League, everyone has to create a new character and go through the lvling process over and over again. Going over the same 10 acts is a huge waste of time
Yes, it can be monotonous and you can have a sense of déjà vu.
The poe leveling service is a super useful service that can help you overcome some of the most difficult parts of the game and achieve anything you set yourself to. Every order is completed by the hands of a professional PoE booster.