Signed for a Hundred Years, Born Invincible

In the Wushuang Continent, there are many sects. The most prominent ones at that time were one sect, two courtyards, three temples and four sects. There were good and evil, but they all depended on the heart. The protagonist traveled to the Wushuang Continent and when he joined the sect, he was sent to guard the body because his bones were weak and he couldn't practice. Then the sign-in system will be awakened, and we will see if we can become invincible step by step.