It is said that those highly trained in the martial arts can harness the chi
to a great extent. It has been said that it can become very centralized and focused outward at aonther individual. The grand masters are believed to be able to cause a "death touch". The concentration of the chi energy actually disrupts the flow of electrical impulses near the heart in this case. This would indeed seem like some of the death spells in the BGII game.
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Balance