War Of Religions

Its 1187, Saladin is trying to take Jerusalem,you a 12 years old kid,is the new king of Jerusalem,because the king died from age,people tried to control you,but you we're smart, your loyal companion,Daris will protect you at all cost,he was assigned to lead the army,and protect you,he was the strongest warrior of the kingdom,will you able to defend Jerusalem against Saladin and conquer islam countries? or die trying