What was that saying again, 'The endless sea of stars is the road leading to the future'!These words that his father said to him at some point in his youth, continuously resounded in Arran's mind as he traveled across the cosmos toward the home of the Aeth-the Etherium.Along the journey, Arran was able to confirm some of his doubts, chief of which was the status of the known universe.From what he found out, the universe was divided into different realms, and these realms further existed in the form of layers, like the steps of a ladder. It is in these layers that the concept of lower and upper realms came into existence.Let's take an analogy, for example, take a tree as an example, the roots of the tree would correspond to the lower realm in the universe. From the roots onwards, the trunk of the tree, its branches and leaves, and also its fruits would all correspond to a different layer in the universe.In this way, the layers of the universe c
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