Qi, or in some cultures Chi, or Ki, is the energy that flows through all living beings.
UsesEditQi is generally used for meditation and in case of extremes combat. There are those, such as Tam Sung have been become so intuned with their Inner Power that they can slow down their aging and become intuned with nature. To be able to tap into one's Inner Power, one trains both the body through training and the mind through meditation.
- When Tam Sung first met Jack in the future, he assumed Jack was still young because of his mastery of Qi, though the truth is because of being sent into the future.
- During Jack's training with the Shaolin monks under Master Chu, he would have learned of how to tap into his Qi. Centuries later under Chu's son Tam Sung, the monks had refined their training, enabling them to accomplish physical feats through Qi alone.