One of the main themes in Shenmue is martial arts, and while Yu Suzuki re-used various styles found in the Virtua Fighter series, he also decided to add several others into the mix.
Interestingly, one such style showcased is Tai Chi, or Taijiquan (太极拳), which one may not normally associate with practical combat. It’s an ancient style developed under the concept of fusion of yin and yang into the supreme (tai) level (ji) fist (quan), and can actually be used to fight in real life.
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http://www.phantomriverstone.com/2017/0 ... mue-2.html