Trapped in the Prison of Gods and Demons, Only I Can Swallow Spiritual Energy

As soon as Jiang Chen traveled through time, he learned that he had arrived at the legendary Lost Prison. This place is called the place of exile of heaven, a purgatory with special rules and no shit. Whether it is the ancient emperor who dominates the heavens or the nine-generation true immortal who is carefree, here, he is just a mortal. His strength has been lost, his body is weak, and he will die without food or drink! But this ghost place not only has no spiritual energy, but is even extremely short of food and water! However, Jiang Chen discovered that he could actually absorb spiritual energy to practice, and he also had a system mall that could easily exchange for various supplies! Therefore, half a bottle of mineral water can be exchanged for a peerless skill from the master of the world, and the remaining plate of beef can also be used to obtain a magical weapon! Those big guys were still fighting with fists and swords, but he had already condensed the golden elixir, transformed into Yuanying... And used the supreme immortal technique! Finally one day, Jiang Chen even opened a way to escape from prison... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.