Admiral Yi Sun-sin faces a tough challenge when he is forced to defend his nation with just 13 battleships against 300 Japanese enemy ships in the Battle of Myeongryang.Admiral Yi Sun-sin faces a tough challenge when he is forced to defend his nation with just 13 battleships against 300 Japanese enemy ships in the Battle of Myeongryang.Admiral Yi Sun-sin faces a tough challenge when he is forced to defend his nation with just 13 battleships against 300 Japanese enemy ships in the Battle of Myeongryang.