The Great Battle (2018)

The movie's premise is same as the show, some of the characters from the show are also in this movie but portrayed differently

Similarities between Hansan: Rising Dragon and The Great Battle - historical war movies - against foreign invaders - about great underdog victories - with great leaders

Similarities between The Admiral: Roaring Currents and The Great Battle - historical war movies - against foreign invaders - about great underdog victories - with great leaders