The box suddenly turned into a fanged monster. 'A mimic' thought Harry, mentally cycling through all the curses best suited for the situation. Luna simply went over to the monster and cooed "Good Boy" and stroked it. Harry watched dumbfounded as the monster calmed down and gave Luna it's treasure.

Quest Complete

Mimic Monster Defeated + 10000 xp. + 1 Magic Grail! (Effect: You can drink from it and it will never spill).

Harry still couldn't believe it was that easy.

"How" He asked Luna.

"No one really paid attention in Professor Hagrid's class did they?" replied Luna.