After Sweeping the Floor for Three Hundred Years, I Sacrificed the Immortal Killing Sword at the Beginning!

Traveling to the world of Xianxia, ​​Lin Xian has no master willing to claim him because of his stupid qualifications. The sweeping monk from the back mountain saw that he was pitiful and took him in. Bite! Lin Xian obtained the sacrifice system. If you sacrifice different objects every day, you will receive various rewards. If you have nothing to do, let's sacrifice the Zhuxian Sword first! … Three hundred years later, the demons counterattack! Once the Kowloon Formation is launched, no one in Qingyun Mountain can defeat it! The leader was seriously injured and went to the back mountain to draw his sword. He collapsed and burst into tears: "Why is the Immortal Killing Sword gone!? The world is in ruins!" Lin Xian pointed his finger towards the sky, and thousands of sword arrays fell from the sky! Seize all the power of heaven and earth! The Demonic Sect Master's thousand-year cultivation cannot withstand the Heavenly Sword, and all the demons are bleeding like rivers! "That's it?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.