Obtain 10 Emperor Tern Eggs, 4 Whitefisher Crane Eggs, and 1 Hornbill Strider Egg.
I can sense your anxiety, but you are not ready yet. Your training must continue before you perform the final test. As for your task... I need you to fetch me some eggs.
Yes, eggs. The marshland atop the hills to the east is home to a number of birds, all of which are generally peaceful in nature. You should have no trouble gathering enough eggs to last me several weeks.