After the end of the Third Dark Age, the continent of Oslanka ushered in the era of dragon rule: the Fourth Dragon Age. Pen | fun | pavilion www. ｂｉｑｕｇｅ。 The Info Era began in the city of Kai Rif, the capital of the Sobainadine Empire under the rule of the Dragons. Less than a hundred dragons relied on orcs to establish a new order and civilization, and took over most of the territory.

The Sopanadine Empire was a multi-ethnic state, but the Terrans occupied a considerable part of it, because of the captives, because of the surrender, because of the rebellion・・・・・・ the peoples of the various nationalities who were enslaved by the dragons built palaces and cities for the dragons. The empire expanded from the northwest of the continent to the east coast before stopping, and finally settled on the city of Kai Ri, the year of which was 706 of the Third Age, the end of the Dark Age, and the beginning of the first year of the Fourth Age.

The alliance of clans that have formed to resist dragon rule has been rebelling against dragon rule throughout the Dragon Age, especially in the dense forests of the east and the tundra of the north. In the year 103 of the Quaternary Age, the alchemists of the alliance found a formula that could prevent the dead from turning into orcs, a drug called "antivariant" was mass-produced, and finally all the rebels had the immunity to become orcs, and they could also be passed on to the next generation, and the number of orcs terror was stopped, giving the alliance a chance to breathe.

Immediately afterward, the Alliance changed its battle plan and infiltrated the territory of Sobanadin, rebelling against the dragons by instigating the people of the city. The dwarves have been hiding in the mountains, and from time to time they will attack the orcs. The elves hide the kingdom in the territory of the Dragon Empire through mysterious enchantments, which makes the orcs even more defenseless. The leaders of the Terrans have rebuilt their kingdoms in the dense forests and tundra, and countless people have poured under their banners.

But the situation of the alliance is still difficult, the elves and dwarves are in hiding, the royal family of the Terrans is also displaced, and the orcs who have suffered heavy losses in the Third Dark Age are more like fighting alone in the vast territory of the empire, and even the tribes are difficult to establish. At the same time, the sea tribes who landed on land from the ocean gradually established coastal cities in the southern part of the continent and began to get used to life on land.

From June 675 onwards of the Quaternary Age, dragons no longer soared in the sky, and orcs and sea tribes began to expand and contract. In the year 1023 of the Quaternary Age, when the Philip kingdom led by the House of Solomon finally invaded Suju, it was believed that the dragons had fallen into a complete slumber. On that day, King Solomon announced the end of the Fourth Age and opened the door to the Fifth Age of Sleep, which has been more than a thousand years ago.