William Garrin (Matt Damon) gets the high ground and takes out the queen alien monster with an explosive arrow. What is The Great Wall (2016) about? After William Garrin (Matt Damon), a mercenary, is held captive in prison, he figures a way to defeat the alien monsters that attack the Great Wall and joins the warriors to protect the region. Watch full movie here: https://www.uphe.com/movies/the-great-wall Welcome to All Action. A channel that brings you the greatest scenes, explosive moments and more, from the biggest action movies in history. Subscribe for more here: youtube.com/channel/UC5vHLE-kwm30jbuQWLF8RNg?sub_confirmation=1 #thegreatwall #monstermovies #alienmovie #scifi #allaction #actionmovies