A Grande Muralha (2016)

Both movies are about building a great wall to keep supernatural monsters out. Both movies are very similar................

Both are films about people battling alien monsters. One is entirely set in history, while the other is partially historical.

Both are fantasy movies set in ancient China with a foreigner ML and strong FL dealing with a supernatural threat or curse.

859 AD. The once-great Tang Dynasty is now declining. Numerous rebel groups have formed, the largest of which is the House of Flying Daggers, based in Feng Tian county. They steal from the rich and give to the poor, gaining the support of people. The local deputies have managed to kill their former leader, but the rebel group only becomes stronger, due to a mysterious new one. Jin and Liu, two police captains, are ordered to kill the new leader within ten days.