The Shadows are an ancient, advanced race residing on a planet at the edge of known space called Z'ha'dum. They are a spidery/insectoid-like species with great military and technical powers. Very few people know of their existance even though G'Kar has been warning of an ancient enemy. The Mimbari and the Vorlons know. The Vorlons and Shadows are long time enemies. About 1000 years ago the Shadows were defeated by a coalition of alien races and have been rebuilding their forces ever since. They are now strong enough to fulfill their objective of destroying the universe. They appear to be stronger than the Vorlons. The only weakness of the Shadows is their susceptibility to telepathic attacks.