The Magic of reproduction starting from Black Four

Black Clover World:
The center of the royal capital was reduced to ruins. On the burning ruins, Takumi was surrounded by the leaders of the nine magic knights.
“Losers are not qualified to become the leader.”
“Please allow me to reintroduce you, Takaki, the second generation leader of the White Night Demon Eye.”
Takaki held the silver magic book and smiled at the nine leaders of the Magic Knights. He performed a non-standard aristocratic ceremony.