The Ramadan fast was approaching, his army was tired and undoubtedly didnt ve all the siege engines needed to take such a fortress.
In 1187, Saladin invaded the kingdom and annihilated the crusader army in the *Battle of Hattin* and executed "Raynald of Chatillon".
"Saladin" by Anne-Marie Edde
"Saladin" by John Man
Video excerpts: "Kingdom of Heaven"