This challenge is only available to those students who have collected (or purchased) all forty of the Silver Wizard Cards. Head up to the first floor on the Grand Staircase to unlock the door with your four keys. The challenge is fairly simple and there are no secrets so I'll leave this for you to figure out. There are eleven cards to collect and a clock to beat. My only advice is not to hang around and fight any of the creatures that Hagrid may have placed
in the rooms.

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