Invicinble Colorless Butler

In the Neigal Kingdom castle, a middle-aged man with short black hair was sitting on his throne. He wore an all-black shirt with gold ornaments that looked luxurious. The person sitting down was none other than the King of the Neigal Kingdom, Jonathan Neigal. But King Jonathan who was sitting suddenly stood up. His body shivered as he looked in the direction where the Dugald City was. He then ran to the balcony and flew towards the direction of the Dugald city.

1 hour later King Jonathan arrived at the place where he felt the previous horror that is Dugald city. He flew at full speed to quickly get to his destination. Currently, his face looks a little sweaty and his breathing is a bit fast. When he got there, he was astonished to see what was in front of him. The place that previously stood as a luxurious mansion was currently a palm-shaped bottomless pit. Many people around Dugald city had gathered to see it.

"What happened here?" He muttered quietly.. From his voice, there was a little fear in it.

He flew around Dugald city several times to find the person responsible for this incident, but he couldn't find him. The person who did it was long gone from this place.

"Haaa... Looks like I'll have to hold a virtual meeting with the other 4 kings to discuss this matter." King Jonathan sighed heavily and flew back towards the castle.

***

The person in charge of the incident in Dugald city, Ziel. Currently walking in the middle of the forest. Why is he there? Because before the Magic King who was in the Marquis Jacobe's mansion left, Ziel gave him the mana tracker. He continued to follow him and arrived at that place.

Currently, Ziel is in the border forest between the Neigal Kingdom and the Alba Mountain Range. The mana tracer that Ziel gave the Magic King stopped not far in front of him. There, Ziel can see the Magic King enter a cave.

Seen from anywhere this cave looks unnatural, and this is certainly an artificial cave. Even though the entrance of the cave doesn't seem to have anything, it's as if people can go in and out freely. But in reality, there is a fairly strong barrier covering the entrance of the cave. When Ziel arrived in front of the cave, he immediately inspected the barrier just like what he did at the residence of Marquis Jacobe.

"This barrier is the same as the one in the residence of Marquis Jacobe. But this one seems to be stronger in resisting attacks." Ziel tore the barrier slowly and entered the cave without any problems. After Ziel crossed the barrier he felt something.

"Hmm... In there are so many existences, not only humans but some races are also mixed there. And the most powerful existence there is... a Sage?" Ziel mumbled and narrowed his eyes looking towards the depths of the cave. He then started walking in and disappeared into the darkness of the cave.

***

In the depths of the cave, the Magic King continued walking and came to a place where there was a giant iron door in front of him. The door is not made of ordinary iron but magic metal or commonly referred to as mithril. And two Guards were standing in front of the door.

"Master Caldeon, I'm Gilbert asking permission to meet." The Magic King is named Gilbert. He spoke to the person behind the door in a polite, and slightly frightened tone. It seemed that the people there were higher in the hierarchy than Gilbert.

"Come in..." A deep voice echoed in Gilbert's ears. The mithril door that was previously closed suddenly opened by itself.

Inside there is a room that is quite spacious like the throne room in a royal castle. There is a large throne on the podium.

Currently on the throne sat an old man with long black hair, and a beard with green eyes, part of his body shrouded in a strange black smoke. That person was the Head of the 'Dark Legacy' organization, and Gilbert had previously mentioned, Caldeon.

Gilbert walked towards the front of the throne then kneeling on one knee and lowered his head in front of him. Before Gilbert could speak, Caldeon is the one who started it first.

"Marquis Jacobe is dead." He spoke to Gilbert but it's like muttering to himself.

"What...!?" Gilbert was shocked after hearing what Caldeon said.

"He was killed right after you left the mansion." Caldeon said nonchalantly as if it didn't matter to him.

"How is that possible? Then the person who killed him is already watching me? But I don't feel the presence of anyone in his residence. Did Beatrix Artvika do it?" Gilbert gritted his teeth in anger, the man had killed Marquis Jacobe who was under his protection. What's more, he was able to break through the barrier he created and kill Marquis Jacobe right after he left without his whereabouts being noticed at all.

"I don't know for sure who he is... But that means the person who killed is the person who has great self-concealment ability or his strength is far above you." Caldeon himself did not know for sure how it could happen and who did it. A hint of crisis could be seen on his face.

"I apologize for my carelessness, sir. I will immediately look for that person." Gilbert was determined to find the person to cover up his mistakes as soon as possible.

"No need, right now the most important thing is to find someone who can cover the position of Marquis Jacobe. Since he's dead, we'll have a hard time finding 500 people for human experiments tomorrow." Caldeon said in a deep voice and looked very serious.

"That... I will find a solution to this, sir." Gilbert was confused about how he could get 500 people in one day. If he kidnapped 500 people blindly. The Neigal Kingdom will be on high alert and their whereabouts will likely be discovered soon.

"You have to... Otherwise 'that person' will be angry." Caldeon looked at Gilbert sharply and said in a voice that contained a threat.

"Yes, Master." Gilbert trembled with fear hearing that.

"Master Caldeon, I'm Tristan asking permission to meet." A voice from outside the room interrupted their conversation.

"Come in..." Caldeon answered curtly.

When the door opened, the person who entered was a tall and burly young man with red hair and black eyes. He carrying a large sword behind him. His name was Tristan. He was one of the strongest people in the 'Dark Legacy' organization. He has strength at sword king level. If Gilbert is Caldeon's left hand, his right hand is Tristan.

"Yo...isn't this Gilbert? Looks like you're in trouble huh. Haha..." Tristan waved at him and laughed mockingly. It seems their relationship is not very good.

"Tristan... You don't have to interfere in my problems. You'd better take care of yours." He gritted his teeth and looked at Tristan with a piercing gaze.

"Haha... You're still as emotional as ever." Tristan looks happy to see Gilbert in trouble and continues to taunt him.

"You...!" Gilbert was about to stand up and reply to what Tristan said. But was stopped by the angry voice of the person in front of him.

"Enough...! Tristan stops mocking him. I want to hear your report." Caldeon interrupted Gilbert and Tristan who were about to argue.

"Yes, Master..." He started reporting his work.

After listening to what Tristan said, Caldeon fell silent and frowned.

"Looks like it's not going well there either..." He mumbled softly but his voice could be heard by Tristan and Gilbert.

"Yes... Because the people in the Kingdom are very vigilant. Unlike in the Neigal Kingdom. It is difficult to find collaborators for our plans."

"I see...You go back there. And make sure to get that collaborator soon. do not disappoint me." Even though he spoke flatly, his voice contained absolute orders and a hint of threat.

"Yes sir." Tristan answered curtly. He lowered his head and sweat dripped from his forehead because of fear.

"Then you can go..." When Caldeon was about to end their meeting suddenly there was a small sound like something cracking.

Crack...crack...

Caldeon narrowed his eyes towards the mithril door, He could see many cracks that were not there before.

Boooooooommmmmm...

The mithril door shattered into pieces. The shards spread to all corners of the room. Even some of the shards were pointing at the three of them. But before the shards of the mithril door hit, A barrier immediately formed and protected them.

"Who are you!?" Caldeon stood up from his throne and asked with thick killing intent. He couldn't see who had smashed the door because smoke and dust still shrouded the place.

"I just stopped by here to get rid of the pests." His voice sounded like a demon from the bottom of hell.

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