Quiz 

He used to carry a spear and a small bag and travel around the country, challenging well-known martial artists. Although he had many fights, he never hurt anybody. Because his art was so high, nobody could defeat him. Therefore, he was called "Yang Wu Di" which means "Unbeatable Yang"

Dao are single-edged Chinese swords, primarily used for slashing and chopping. The most common form is also known as the Chinese sabre, although those with wider blades are sometimes referred to as Chinese broadswords. In China, the dao is considered one of the four traditional weapons, along with the gun (stick or staff), qiang (spear), and the jian (double-edged sword)

The spear is the King of Weapons because it is the most difficult weapon to defend against. The spear is also called the King of Weapons because of its versatility and power. The spear is long and has a sharp point

Xing Yi is characterized by aggressive, seemingly linear movements and explosive power that's most often applied from a short range. A practitioner of Xing Yi uses coordinated movements to generate bursts of power intended to overwhelm the opponent, simultaneously attacking and defending

Chin Na is the set of joint lock techniques used in the Chinese martial arts to control or lock an opponent's joints or muscles/tendons so he cannot move, thus neutralising the opponent's fighting ability. Chin Na Shu literally translates as lock catch technique. Some schools simply use the word Na ("hold") to describe the techniques. Chin Na features both standing and ground-based grappling techniques