Merlin had been living in the Crystal Cave for centuries when destiny called. Disguised as a sixth year student, he went to Hogwarts to watch over Harry Potter during the Triwizard Tournament and to wait for Voldemort's rebirth. However, during the second task his cover was unexpectedly destroyed by certain prat.

One, even slight, change can set in motion the butterfly effect. A too light push leads to events that can endanger the whole course of Destiny. A rewrite of "The Sword in The Stone". Magic Reveal!, Established! Merthur and a lot of Angst. One-shot.

Merlin wreszcie decyduje się powiedzieć Arturowi o swojej magii. Dlaczego więc to mag ma większą niespodziankę? I co sprawia, że Gwaine jest taki zadowolony?

Finally, Merlin decides to tell Arthur about his magic. But why does he end up being the one more shocked? And why is Gwaine so pleased? Reveal!fic, one-shot.