Answer:
Earth would be destroyed if one of the realms didn't exist
Explanation:
Answer:Al-Nasir Salah al-Din Yusuf ibn Ayyub, better known simply as Salah ad-Din or Saladin, was a Sunni Kurd and the first sultan of Egypt and Syria and founder of the Ayyubid dynasty. Saladin led the Muslim military campaign against the Crusader states in the Levant
Explanation: