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Gene bombs being used on the Xorda attack on Earth.

Gene-bombs are weapons used by the Xorda, that are designed to cause the devolution of a species on a planet.


Gene-bombs were used during the Xorda's attack on Earth, which resulted in the devolution of the human race into the four-fingered Overlander species (although it was apparently supposed to devolve humans much further back, to pre-intelligence). However, it also rapidly accelerated the evolution of the entire animal kingdom, blending their DNA with that of humans to form the Mobian species. Additionally, the gene-bombs mixed with various beryl deposits beneath the planet's surface, resulting in an environmental cataclysm known in Echidna theology as the first Day of Fury. (StH: #124, #125, #148)

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