I, my cultivation of immortality started from a mortal

Introduction: Mortal flow, no system, no harem, no time travel; Cultivation system: Qi training, foundation building, golden elixir, Nascent Soul... The young boy is burdened with the burden of the family, and accidentally falls into the cliff while collecting medicine. The key is At that moment, the mysterious bead appeared, and it was a blessing in disguise. From then on, he broke into the world of cultivation, and he became an immortal step by step, free and at ease.