After saying that, the Demon Emperor took the lead and walked inside, with Ye Lin following behind. They proceeded down the black corridor, which was very short; after only a few steps, they had arrived at the treasure vault.
It was not that the Demon Emperor had not wanted to make his treasure vault larger. Rather, to ensure its safety, the vault, the passageway, and the Demon Emperor's throne had all been forged as one whole. He had searched for treasures of the Three Realms and refined these three items, linking them together. Later, he ran out of materials and could only create such a crude treasure vault.
If the treasure vault had not been a single whole, then all his efforts in forging it would have been for nothing. Even the smallest crack could have allowed the Nine Demon Emperors to break into his vault.
This vault had originally been built to guard against the Nine Demon Emperors, because from beginning to end, he had never trusted them. Those nine fools had only submitted because his strength was overwhelming.
Upon entering the vault, they found it rather plain, containing only several black boxes and a pile of strange odds and ends. The most conspicuous item, however, was a black saber placed atop a huge wooden table at the very front.
The saber was completely black. Under the light, its entire body gleamed, looking immensely sharp and imposing.
At the sight of that saber, the Demon Emperor walked straight toward it. Stopping before it, he slowly reached out and stroked the hilt little by little, his whole being sinking into memories.
Back then, he had wielded this demon saber as he fought his way into the Immortal World, personally ending the Immortal Emperor. After finally unifying the Three Realms, he