I can’t find them anywhere online. For instance,
- The wiki says the only rewards are achievements and banner sigils (but it does not say which ones)
- Here people say completing/mastering all 24 dungeons both reward a set of wings (but again, they don’t specify which ones)
- Here someone claims you get a pennant too!
So which ones are correct? What are the (exact) rewards, and what are the requirements to unlock them?