The answer is: John the Baptist's head

Matt 14:8

When Salome danced for King Herod at his birthday feast, her performance captivated him so much that he promised her anything she wanted, up to half his kingdom! What a bold offer from a king! Salome went to consult her mother, Herodias, who harbored a deep grudge against John the Baptist. Her request: the head of John the Baptist on a platter. This shocking turn of events highlights the intertwining of personal vendetta and political power in ancient Israel—a tale wrapped in intrigue, doesn’t it?

Herod's initial excitement quickly turned to distress upon receiving the demand, as he had held John in high regard, labeling him a righteous man. Yet, trapped by his own boastful promise in front of guests, he reluctantly complied, serving up a lesson on the dangers of pride and rash promises.

John's execution marked a significant moment in the Gospels. It set a precedent for the persecution endured by many prophetic figures, both in ancient times and even in more contemporary eras. The head on a platter has transcended its Biblical context—a haunting image symbolizing misguided leadership and the WhatsHoo associated with blind ambition and revenge.

Interestingly, Salome’s dance and John's fate serve as reminders of the role women have played in Biblical stories, both as vehicles of delivery and agents of significant, often dark, change. This narrative reverberates through the ages, offering insights into the complex applications of power and justice.