. . "Using Adric's computations, the Master created Castrovalva. The web was lethal to the touch and was destroyed when Shardovan fell into it. (TV: Castrovalva)"@en . . . . "Using Adric's computations, the Master created Castrovalva. The web was lethal to the touch and was destroyed when Shardovan fell into it. (TV: Castrovalva)"@en . "Hadron Web"@en . . "Energy web"@en . "Castrovalva"@en . "Hadron web"@en .