Demons in Troubled Times: I Can Add Points to All Martial Arts

[Weird and rampant + demons in troubled times + martial arts points + decisive killing + fast pace] Strange things are rampant, monsters are in chaos, the human race is barely surviving, and the people on the border are even being held captive by the monsters. Ling Chengan was killed by a wolf demon, but when he redressed his grievance, he found that the murderer was sitting in the county magistrate's seat, and the county magistrate could only laugh from the sidelines. He was beaten half to death and thrown into a mass grave. He thought he would end up with hatred, until he used the broken knife to kill the ghoul - [Kill an ordinary ghoul, gain experience points: 100 points] [Kill aliens to gain martial arts experience] [Invest experience to improve martial arts] He has a dull understanding and inferior skills, but he can add a little bit of all the martial arts in the world. Three days later, Ling Chengan returned to the county government office with his sword in hand. There are no gods in this world. Then let him use his billions of experience to carve out a way for the human race to survive!