I Became Invincible After the Awakening of Spiritual Energy!

''Year 178 of the New Calendar, spiritual energy resurged. Martial artists ran rampant, holding supreme status. Mystic realms suddenly appeared, and demon clans descended upon the world. The demons slaughtered innocent civilians indiscriminately, plunging the human world into endless war overnight. Tang Linlin had average talent, and after having her marrow-cleansing fruit—which could enhance her aptitude—stolen from her, she failed to get into her dream school. Left with no choice, she returned to her small hometown and opened a little convenience store. Then one day, everything changed—she somehow crossed over into the cultivation world? Here, spiritual energy was incredibly dense...