BIONICLE Legends 7: Prisoners of the Pit, page 107

Before Nocturn could react, Hydraxon drew and hurled one of his back-mounted blades, knocking the squid launcher from his enemy's hand. Nocturn lashed out with his tentacle, wrapping it around Hydraxon's waist and drawing the jailer toward him. Hydraxon aimed his Cordak blaster at a nearby rock and fired, blasting it to rubble.