As Lu Yin moved through the Umbral Universe, he learned a great deal from his Umbrian guide, including a mention of a collection of battle techniques known as the Tome of Darkness.0

Lu Yin also learned of a legend that the Umbral Universe had once given birth to a peak powerhouse and that that person had altered the Umbral Universe into its current state.1

The universe had not originally been filled with darkness, but that peak powerhouse had altered the laws of the universe.0

All Umbrians were descendants of that peak powerhouse, and they devoted their lives to searching for the Tome of Darkness. If they could find it, their strength would transform, and if another peak powerhouse rose up from the Umbrians, they could easily eliminate all outsiders and enemies.0

They regarded not only Aeternus as their enemy, but also the Sixverse Association.0

Lu Yin asked his guide why the Umbrians hated the Sixverse Association, but the Umbrian gave the same answer as the last one; the Umbrians did not hate the Sixverse Association. Rather, they merely followed their ancestral teachings of attacking everyone before they were attacked in turn.1

The only difference was that the first Umbrian Lu Yin had spoken with had said that everyone was the Umbrians’ enemies.1

The Umbrians’ eye had no pupil, and Lu Yin could not read them like he could with normal people, but he still felt like he was being lied to. Much like the man from...2