I offered sacrifices to the gods

Lin Mo possesses a mansion enshrining countless immortals and deities. Each time he successfully pays homage to a deity, he receives a reward. These immortals and deities do not require incense offerings, but each worship requires the correct ritual. [Successfully paying homage to the Celestial Lord of Longevity and Fate, reward: Longevity Scroll] [Successfully paying homage to the Mother of Ten Thousand Forests, reward: Spirit Wood Refining Meridian Technique] [Successfully paying homage to the Golden Venerable Taihao, reward: Emperor's Decree]... However, gods never value equivalent exchange. So, what is the price behind obtaining these powers?