Question

the crusaders conquering antioch, a turkish stronghold atop a 1000 foot mountain, after a grueling siege. then, a large turkish army from mosul arrived and encircled the crusaders, causing many in the exhausted and starving crusader army to feel demoralized. then, miraculously, inside antioch, a relic was discovered. this was the _______, which was thrust into christs side at his crucifixion, and the crusaders faith in their holy mission was restored. holy grail crown of thorns holy lance shroud of turin

Explanation:

The Holy Lance is said to be the spear that pierced Christ's side during the crucifixion. In the context of the Crusades, its discovery was a morale - booster for the Crusaders. The Holy Grail is associated with the cup used at the Last Supper, the Crown of Thorns was placed on Jesus' head during his crucifixion but not related to piercing his side, and the Shroud of Turin is a cloth believed by some to bear the image of Jesus after crucifixion.

Answer:

Holy Lance