I agree that "any magic can hurt this" was never a very interesting puzzle. It also just sucks for martials especially when casters have unlimited damage-dealing (and scaling, not that it matters much because you'll likely have magic weapons by then) cantrips now. If your character was stuck in...
Not surprised. Nothing about this really stands out as worthwhile, and when it got posted on Reddit it quickly turned up that the guy behind the project was somebody who had burned a lot of bridges with that community.