Hate to say this, but the fact that he takes back all the exp is kinda meh? The only purpose it served was to make the MC OP and to make the guild become a non-threat or even a real factor in the manga.
Should have let them keep their exp, but not be able to grow anymore, stagnating instead of...
I've played enough MMOs to know that the tank and healer are more important than the DPS in terms of party survival. DPS's job is to kill stuff. Tank's job is to keep the DPS from getting hit and insta-killed.
I also know that most of the time the moment the tank falls, the rest of the...