Quote Originally Posted by tyckspoon View Post
It sounds to me like your DM is maybe just used to a very low-optimization group. You're not overpowered in the great scale of the game, but it can be a nasty shock to a DM to run into a character that does something reasonably effectively if the rest of the group normally struggles with challenges as written in a module (note: pre-written modules are notorious for generally being quite soft. A 9th-level module is likely to be a pretty appropriate task or even easy for an optimized 6th-level party.)
This. What's the rest of the party composition? Does the wizard use fireballs? Does the cleric heal during combat? Does the fighter use sword n' board? If yes to any of those, I think we have our answer.