What discipline is used by Akira from Virtua Fighter series?

And provides information on where it can be studied and read if you can.

Akira is an instructor of kung fu, and he fights with Hakkyoku-Ken (Bajiquan) Bājíquán (Traditional Chinese: 八极拳; pinyin: Bājíquán, literally "eight extremes fist"; Japanese 八极拳, Hakkyokuken) is a Chinese martial art that offers explosive power range is short and famous for its strikes elbow. It originated in Hebei Province in northern China, but is also well known in other places today, especially Taiwan.

Virtua Fighter SEGA Saturn intro and gameplay

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