The end of the legend
There is darkness that devours everything
But it's not completely without light
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Alex, the eldest son of Brickell, the great French nobleman who has been in the family for thousands of years, became the only Brickell to enter the Hogwarts School of Witchcraft and Wizardry in the UK in recent centuries.
PS: The original protagonist is not from time travel and is related to Malfoy.