When Alpheus announces via radio that he has found the gates to Lemuria, the Nektons fear he’s beaten them to their greatest prize! Even as Alpheus gloats, though, he finds a strange circular depression in the middle of the gates and realises that he needs the Ephemychron to open them. Launching an audacious attack on the Aronnax, he drives his submarine into the Aronnax’s forward windows and steals the Ephemychron from the Nektons. By the time the Nektons recover and track him, they find him about to insert the Ephemychron into gates of vast size hidden in an underwater trench. Ant tries to stop him, but Alpheus succeeds in opening the gates. But it’s not a city that lies within—it’s something vast and alive! Huge tentacles emerge! It’s not Lemuria Alpheus has found, but the largest and most deadly of the Monumentials—the Kraken! A creature that can bring untold destruction to the world! And now, nothing can stop it! Alpheus is terrified. He takes the Ephemychron and races towards his submarine, which is already retreating to the top of the trench. Ant, knowing that the Ephemychron is needed to close the gates, chases after him. The repaired Aronnax arrives in the nick of time, trapping Alpheus, and Ant retrieves the Ephemychron. Amid incredible danger, Ant finally succeeds in closing the gates, sealing the Kraken within. The gates then light up with an image of the ancient sceptre of the Queen of Lemuria. Seeing this, Nereus realises this is the mystery device that can put the Monumentials, slowly awakening all over the world, back to sleep! Now they know exactly what they need to save the world! It’s located somewhere in Lemuria, so now it’s even more imperative that hey find Lemuria before Alpheus does!