Dark Schneiders Headquarters - often abbreviated to Dark Schneiders HQ - is the secret location of the Dark Schneiders' base of operations. Little is known about it, but it is the location of the living quarters of all of the Schneiders, along with where they keep their weaponry and secret blueprints and plans. It is rumored to be located in the Biene City sewers, but nobody has ever found it. Only members are confided the secret location of the building.