There are many minor Chaos Gods extant within the extradimensional Realm of Chaos but the four major Chaos Gods - Khorne, Tzeentch, Slaanesh and Nurgle - are particularly infamous and powerful, and possess great influence over the world.

They exist within the Aethyr and their power and very existence derives from and is sustained by the darker emotions and deepest psychological drives of the various intelligent species of the Known World. The Chaos Gods, also referred to as the Ruinous Powers, the Dark Gods and the Powers Beyond the Skies by the Dragons, are Daemonic gods or entities comprised entirely of magical energy that embody the metaphysical force of Chaos. The Star of Chaos, the most common icon used to represent Chaos and the entities that embody it. But to ignore these lies, results in transformation, corruption, and death.' All of these Ruinous Powers are mere lies. Tzeentch, the Lord of Change, hides his powers the least, transforming all that embrace, or oppose, his reach. Slaanesh, the perverse Lord of Pleasure, corrupts from the inside with debased rites and the misguided lure of the flesh. Nurgle, the Fly Lord, gives his 'blessing' of disease, pestilence, and decay. The people of Nuln will never be able to challenge him again, and they will.' Khorne, the Blood God, rules on his towering throne of bone and marrow. The rat god has reclaimed his city and he is ready to rule over it once again. The city of Nuln falls, and the people are forced to flee.

They fight back, but they are no match for the rat god and his army of rats. The humans are not going to stand idly by and let the rat god take back his city. The rat god is powerful and he knows how to use his powers to defeat his enemies. He gathers his faithful rats and leads them into battle against the humans. The rat god is awakened and ready to take back his city. The people have been demanding change, and they have finally found a leader to help them take back their city – the Horned Rat himself. The Horned Rat has been dormant for centuries, but the city of Nuln has been growing restless. For centuries, the rat god has allowed the city to prosper and grow, while keeping its inhabitants in line with its iron fist. The Horned Rat is a powerful and ancient rat god that rules over the sewers of the city of Nuln.

Download warhammer great horned rat