Holders Australia, four-time winners Japan, Carlos Queiroz's Iran and hosts the United Arab Emirates are all formidable opponents, but none will relish facing Paulo Bento's Koreans.
The 2015 runners-up have put their stamp on the international scene in recent times, stunning holders Germany at last year's World Cup before winning the Asian Games football tournament in September.
Son, 26, was at the heart of both successes and his delight was plain to see at the Asian Games in Indonesia, where victory earned the team an exemption from South Korea's compulsory, 21-month military service.
The Tottenham Hotspur forward, who has a deadly shot with either foot, has been in scorching form for his club, scoring seven goals in his last seven Premier League games. But he will sit out South Korea's first two games next week under a deal with his club in return for his release for last year's Asian Games.
Son, the most prolific Asian in Premier League history, will hope South Korea get the job done against the Philippines and Kyrgyzstan before he jets in for their final Group C clash against China on January 16.
The Koreans, edged 2-1 by Australia after the 2015 final went to extra time, haven't won the Asian Cup since 1960 — a puzzling record considering their 10 World Cup appearances, including the 2002 semi-finals.
Japan are among their chief rivals in UAE, after they were the only Asian side to reach the World Cup knock-outs before narrowly going down to Belgium in the last 16.
The Blue Samurai, winners of four of the last seven editions, will demand improvements on 2015, when as defending champions they slipped up with a penalties defeat to UAE in the last eight.
Recent results have been encouraging, including a 4-3 win over Uruguay, and Hajime Moriyasu has picked on form after ditching World Cup stars Shinji Kagawa and Shinji Okazaki in favour of younger players.
COMMENTS
Comments are moderated and generally will be posted if they are on-topic and not abusive.
For more information, please see our Comments FAQ