[Non-cool story + Western fantasy + Anti-themed + slow pace + growing protagonist]
It was absolutely right to have a progression system at the beginning. Dago was desperate to improve. The first thing he did every morning when he woke up was look in the mirror and ask himself, "Have I made any progress today?" Especially as a wizard, if he improved a little bit every day, after ten thousand sunsets and sunrises, he would surely reach the top of the world.