What did ender do when the war was over in enders game?

After the war in "Ender's Game," Ender Wiggin discovers that he has unwittingly destroyed an entire alien species, the Formics. Overcome with guilt and remorse, he decides to leave Earth and seek redemption. Ender ultimately finds a Formic queen egg and vows to find a new home for the Formics, hoping to atone for his actions and ensure their survival. This journey marks the beginning of his quest for understanding and reconciliation.