The four stone walls are divided into four categories, all of which are inscribed on the stone walls. They are boxing, sword, body and stick.

"Four categories, basic inheritance, first come boxing." Guan Yu thought calmly for a while, and finally decided to choose boxing first, from easy to difficult, boxing, can be counted as his most contacted category.

"Fist, the way of hand-to-hand combat, this door is based on martial arts, law for flesh and bones, spirit for inner strength, boxing can train body, strong soul, is the most for building the foundation, after the monastery, can also be upgraded to divinity, strong for a while, if combined with...