Immortal Lord of All Weapons

Su Xin traveled to the world of Xianxia and became a disciple of the Kunlun Sect, starting with a junior sister. This Xian Xia is a little different, not only does it have cultivators, but it also has weapon spirits. The monks in Tongtian all have powerful weapon spirits, knives, spears, swords, and flywheels. These are their weapons. The protagonist Su Xin starts with double Buffs, the cheat book "Marrow Cleansing Sutra" and the blessing of the system. Keep upgrading to fight monsters and become stronger through plug-ins. Dominate the entire Kunlun. The system can infinitely manifest weapon spirits, crushing the strongest swordsman, and the protagonist wins the title of King of All Weapons. Regardless of the path to immortality, I just want to be invincible on earth!