The Urban Dragon Lurks in the Abyss

Ancient martial arts grade system]: Chinese martial arts have been passed down for thousands of years. From weak to strong, they are divided into: external strength (the muscles and bones are tempered, fists and feet generate wind), internal strength (the inner breath is first formed, which can penetrate the body and hurt the enemy), Ming Jin (the strength is released outward, strong and domineering), and dark strength (Energy is hidden in the bones, soft and tricky), Hua Jin (Energy can move freely, sent and received by the heart), Dan Jin (inner breath condenses into elixir, endless life and death), Gang Jin (Elixir breaks the Gang, controls Qi and flies), Martial Arts Master (reaches the pinnacle, can break through life and death). In today's martial arts world, An Jin is already a good player, Hua Jin is a master, and Dan Jin and above are even rarer.