The House of Crimson Blade begins.

The Crimson Blade begin to develop their culture

Qin Shi Zhang rules as Emperor of the people of Wa Island. He later led the Crimson Blade into battle of the invading Emerald Vipers, but lost the battle to the Vipers.

The Emperor Qin Shi Zhang finally defeat the Emerald Vipers and the Crimson Blade establish their main empire on Wa. The Emerald Vipers are forbidden to join the Crimson Blade and will not rebel until 500 years later.

Date Hideyoshi and his students leave the Crimson Blade's in the First Great War.

The First Great War ends and the Emerald Vipers are defeated.

A group of Crimson Blade break off from the House, and pioneer the science of Emerald Viper monsters, starting the Second Great War (The Great War II) - the war known as the Hundred-Year Darkness.

The Great War II(Hundred-Year Darkness) has ended. Crimson Blade's defeat The Emerald Vipers.

Viper Lord known as Toyotomi Masamune is defeated in a small battle. The remaining Vipers Warriors flee to Ama Basin.

Toyotmi Masamune dies at the hand of Emperor Qin Shi Zhang who also loses his life during the small battle.

Viper Empire collapse, following the defeat of Toyotomi Masamune ten years later.

Son of Emperor Qin Shi Zhang, Qin Shi Zhang II becomes the new emperor of the Island of Wa.

Crimson Blade Territory South of the Korzay Mountians falls to the Vipers. 

The Third Great War(The Great War III) occurs on Korzay Mountain, resulting the Viper fleeing to Chukei.

Taira Kiyomori descendants of Lord Viper Toyotomi Masamune,  lead the Emerald Vipers in a skirmish with the Crimson Blade, and the New Viper Uprising. The Great Viper War begins.

The Emerald Vipers of Korzay Mountains and Taira Kiyomori fall during the Great Viper War.

Shogun Renzo hero of the Great War III falls under the influence of the Emerald Vipers after discovering the Viper Dojo on Ama Basin, a relic of the True Viper is found.

Shogun Renzo, betrays the Crimson Blade, declares himself Viper Lord of the Emerald Vipers, and forms a new Viper Empire.

Viper Lord Renzo and the Emerald Vipers, invades the Crimson Blade's during the Second Viper War. Renzo is supposedly killed when his apprentice betrays him, but later reappears as a Crimson Blade, having returned to the Crimson Blade. Renzo leads Crimson Blade's to victory by defeating his apprentice and destroying the new Viper Empire.

The Great War IV, led by a new Viper Lord Traya.

Emperor Qin Shi Zhang II dies by the hands of Viper Lord Traya in the Great War IV.

Viper Lord Traya, forms a new Emerald Vipers army.

Emperor Qin Shi Zhang II son Qin Shi Zhang III takes over as Emperor and the Great War IV ends.

Emperor Qin Shi Zhang III meets with Viper Lord Traya for a truce. Which starts the Great War V.

Both Crimson Blade and Emerald Vipers armies are destroyed in the War of V, leaving Viper Lord Traya the only survivor.

Qin Shi Zhang IV rises from the ashes of the Great War V and becomes new Empire of Wa island.

A Unknown Viper Lord provoke The Son of Qin Shi Zhang IV into taking over the Emperor to start a Father and Son Civil War, and many Crimson Blade's die, or turn to the Emerald Vipers.

Son of Zhang IV becomes the New Emperor for the Emerald Vipers

The Crimson Blade falls and the New Viper Empire is established by the Unknown Viper Lord and Qin Shi Zhang V. The Emerald Vipers rule the Land once more.