The Bloody Mist

The Bloody Mist  is the cataclysm which destroy the old world and permitt the reborn of the civilisation with the New Age. It arrived on the mainland in 94 BBR from an island on the other side of the ocean.

Definition
The Bloody Mist is a reddish fog which is extremely toxic. In a too grand scale, it kills every animals or plants. If it spreads enough, it only cause mutations on animals and plants. It is less and less dangerous, but a too long exposure could lead to medical problem for human being.

Origin
On the island on the other side of the ocean, there was a civilization similar to the one on the mainland. They discovered the Blood Fusion way sooner than the continental and start few test to make use of this new source of energy. However, they made a fatal mistake and created kind of an overpowered bomb. This bomb and his explosion is the cause of the Bloody Mist and its spreading.

The island
The power of the bomb was about 75Mt, which completely destroyed the island and the civilisation on it. It is the origin of the explosion. Such a bomb totally destroyed every thing in a 60km radius, and inflicted important damages in a 90km radius. It is there that the Bloody Mist is the most important.

Ocean
On the ocean, the mist is too toxic to be crossed. It made the ocean totally impraticable. The coastline of the mainland is also unexploitable.

The continent
The Bloody Mist start to be spreaded enough to allow life. More you go to North, less human being are in danger. Nevertheless, animals still are dangerous. If humans are not protected enough, it could have the same effect than a pandemic.

Nowadays
The Bloody Mist is still present but humans know how to protect from it and from creatures. The atmosphere stays reddish and the visibility is reduce.