I now sympathize with this. I just did level 21 and it probably took like 70% of my fatigue bar to level. I was at least happy to see that I got a lot of quests unlocked when I hit 22 using my very last fatigue point. I don't look forward to level 23 to which I can only assume is questless.
"There once was a boy who dreamed of being a hero. Who believed sincerely in the battle to banish darkness from a world of light... but light and darkness are equal... and where one exists so too must the other... and when the boy finally realized this he had taken the first step toward being a true hero."