Wake up and Start My Modern Cultivation of Immortality

AD 2945. Three thousand years ago, the "War of Ultimate Spirits" destroyed the old civilization of cultivating immortals. The human race struggled to survive in the wasteland with depleted spiritual energy, and turned to lighting up the technology tree. After two thousand years of silence, the spiritual energy of heaven and earth began to slowly recover, and mankind embarked on the abnormal development path of "technology + immortality".