It seemed like the Kupan Demon Box was related to Dead Blood and other similar dark creatures. However, as Cassius continued reading the notebook, he discovered that "Dead Blood" was merely a convenient label for the dark creature. It could just as well be called the Blood of Immortality or the Blood of Evolution. It could even be referred to as the Blood of the Strong.0

According to the records, the Kupan Demon Box contained an unknown and powerful aura. Some believe it brings misfortune, while others regard it as a miraculous treasure. However, the Blood Spirit Society clearly had more detailed knowledge, including many hidden insights.0

First, the Kupan Demon Box indeed gives off an aura of disaster, bringing significant bad luck to its possessor. The owner's fortune would worsen over time, leading to life-threatening situations. While this may sound mystical, it was confirmed to be true.0

Second, the Kupan Demon Box was a special relic from ancient times, and suspected to be a tool from a super-ancient civilization. It resembles a book, and it seals something within it.0

However, these details were not the most important. The Blood Spirit Society's real desire for the Kupan Demon Box was for the Blood of Immortality within it. They had somehow learned the true method of using the Kupan Demon Box and had moved to acquire it at the Tulip Antique Exhibition. The demon box was a rectangular object made of an unknown material, roughly the size of an adult's palm. It is neither gold nor wood, and no form of attack has any effect on it. The surface is smooth,...0