Xu Xian is Not a Sword Immortal

Xu Xian, he originally wanted to be supported by Bai Suzhen. He originally wanted to be just a scholar. He originally wanted to just open a medical clinic... Unfortunately, in this world full of demons and monsters, his own strength doesn't allow him to do so. So, he picks up his iron sword and chooses to be a low-key sword immortal. Yes, a literal sword immortal. It's possible that you are very strong, but I, Xu Xian, dare to bet that you... will not last more than three swords! [无敌流] [脑补帝]