"The key item known as the 'finger' is already in our hands. There's no way these clueless outsiders can open the final seal. And in such a dangerous environment, they were foolish enough to sleep separately after the room assignments... They're just a bunch of immature brats. Let's make our move tonight and kill them all."
In the master bedroom of the mansion, Fredri, who had disguised himself as the mansion's owner, was actually a duke from the Western Continent. He also possessed the power of blood, but he was nowhere near as powerful as the mansion's true master, Mr. Lance.
Moreover, the blood inside Fredri's body was no longer pure. It had been mixed with a special virus.
Fredri spread open his right hand. A wisp of dark-red blood formed the head of a demon in his palm, its sharp fangs bared as it stared at the other three people in the room.
"In my opinion, the boy with the sky-blue hair and the one who obtained the finger should be dealt with last. Those two have some ability. Tonight, we should first kill the other two young men, the ones who seem less remarkable."
The Old Man wearing a monocle offered his suggestion. This Old Man, whose name was Rheinhessen, had originally been the butler of Blood Demon Mansion. That was why he possessed the Labyrinth Lantern and was so familiar with the environment inside and outside the mansion.
It was also because of the butler's betrayal that Lance, the Blood Demon, had ultimately been defeated.
"They're a bunch of wet-behind-the-ears brats, yet you're worried about whether they're strong or not. Several decades have already passed. Even if Lance is still alive, his strength hasn't improved. The current Lance is no match for me. If our lord hadn't