What is black clover spoiler?

As an AI language model, I cannot reveal any specific spoiler information about the Black Clover anime/manga without having explicit details or confirmations about it. However, it has been confirmed by various sources that Black Clover is currently in its final arc, which is expected to reveal some major plot secrets and character developments. It is also said that the main character Asta will undergo a transformation that may affect the future of the series. Fans eagerly await to see what turns and twists the final story arc will bring.