In 1993, although the world war was at a critical stage, an unusual and strange thing was untimely on the land of Europe.

The crows, numbering in the thousands, until they are innumerable, and the behemoth crows that cover the sky like a black hurricane, as if they have been called up by some kind of order, have begun to gather in one place all over the world, snow-capped mountains, iris areas, The inhabitants of the Double-headed Eagle Quarter, among others, became common witnesses, and they only had to look up to see the black marching routes that completely blocked the sun's rays, the messy crow feathers falling from the sky like ink spots, and the areas where there should not have been signs of crow survival were also covered with a layer of black feathers.

It seemed that in one night, the hearts of the crows all over the world began to follow the same beat, and some kind of will, which should not have been in their minds, began to exert its obligatory determination, so that these free-natured black feathers had to assemble like an army like this.

No one could explain the reason for this vision, not only humans, but even the alien side knew nothing about it, and both sides of the war were speculating whether this was a new weapon developed by the enemy that was working, and in order to prevent accidents, the top brass of the Alliance and Axis forces immediately issued orders to the scholars related to the creatures under their command to immediately find out the pattern of the crow flocks and their final destination. After nearly ten hours of emergency research meetings, the answers given by scholars on both sides were surprisingly consistent-

Sardinia.

An island in the Wolf Zone, uninhabited and resource-scarce, no one had paid attention to it before.

These flocks of crows, a conservative estimate of about 600 million from all corners of the world, are hovering over Sardinia at this moment in a constant high-pitched cry, an eerie hiss that borders on a cry of despair, reverberated simultaneously by the beaks of hundreds of millions of birds, and almost no one can land on the island without protection. Now that the whereabouts of the crows have been determined, and in order to ensure that the so-called "weapon" of the other party will not be fully developed, the Alliance and the Axis Army separated in the early hours of the morning

After a stalemate of about three hours, due to the intervention of the allies' ace weapons - [Killing God], [Sword Ghost] [Mechanic] and others, the tide of the battle immediately began to be overwhelmingly reversed, and in the end, the battle for Sardinia ended in a complete victory for the coalition army, and the search for the "new weapon" was also carried out quickly, but ...... The final search results surprised everyone present.

There were no secret arsenals, no signs of testing new weapons, or any trace of modern military relevance on the island, and a lot of manpower was spent searching, but the end result was only the remains of an ancient Roman arena deep in the jungle of the island.

Almost everyone agreed that the operation was a strategic oolong, an intelligence miscalculation, and it was proposed that the manpower on the island be withdrawn immediately, and that archaeology was obviously not so important compared to the pressure on the front line of the battlefield that there was no need for further excavation of the ruins. Only two people objected to this point of view, which most people agreed with—[Star Pupil] Phoenix, then Deputy Chief of Staff of the Alliance Army, and [Killing God] Xuanyi, then the General Mobilization of the Special Operations Department of the Alliance Army.

The former's opposition stems from its ability to see a vague future. The latter's opposition came purely from his instinctive intuition, or rather, after years of war, he had already smelled the smell of blood buried deep in the ruins, almost blowing in his face. As a result of their persistence, the investigation and excavation of the ruins began to proceed rapidly, and the huge crows that swirled in the sky were coldly watching the comings and goings of the island in the sky, perhaps more than the arguing humans below, they had already seen through the various things buried beneath the ruins.

As the excavation progressed, signs that something was wrong began to emerge from all corners.

First of all, the dilapidated ruins located on the ground, according to the analysis of archaeologists, this place may have been built secretly by some nobles in order to continue their hobbies in the era when the gladiator culture was gradually restricted

There seems to be nothing surprising about the size of the normal arena, both the seating and the size of the arena, and the rusted weapons and dusty armor that were once used to hold gladiators and slaves in the rest rooms where they were once used to hold gladiators and slaves were still in place.

Except for a cellar.

When the entrance to the cellar was discovered, it was because a skeleton located next to the entrance caught the attention of investigators. It was a fairly intact human skeleton, the scars and chips on the skeleton indicated his identity as a gladiator during his lifetime, but he did not die in battle, judging by his posture and the direction he was heading, this person seemed to be fleeing from something in the cellar, but because of his injuries, he collapsed due to excessive blood loss in the middle of the way, and because he didn't realize that he was dead before he died of breath, his body posture still maintained the last moment of action.

Maybe he was arranged by the slave owner to fight in a secret room with some kind of beast, and chose to escape because he was defeated?

With this in mind, the investigators began to continue to examine the skeleton for more clues, but soon, an astonishing piece of information was concluded from the data, and the moment they saw this information, the investigators were instantly shocked into countless cold sweats - this man, the real time of death, was 72 hours ago.

72 hours ago?

How is this possible?!

The door of the cellar was opened by everyone, and the scene that came into everyone's eyes was enough to call it "Hell" It is not an exaggeration to say that on the stone staircase that extends from the entrance of the cellar, in the endless darkness, the sunlight projected by the door seems to illuminate only an insignificant corner of it, and it is precisely this inch of land exposed by the light, countless hideous and twisted skeletons and white bones are densely covering every inch of the stairs, and countless arms stretched out in the direction of the cellar door are frozen in the last moment before they are breathless, although these corpses are as shocking as demons, but, obviously-

What they are fleeing from is far more terrifying than the so-called "evil spirits".