“Not a sequel,” he said quietly. “A second genesis.”

The Neptune’s Grave began to rise, but Jonas knew they weren't escaping.

Then the second one appeared. The female. She was larger. And on her dorsal fin, fused to the cartilage, was a piece of twisted, heat-corroded metal. The serial number was still legible: MANA-ONE-DS-01 .

The Neptune’s Grave , a state-of-the-art research sub, drifted over the collapse zone. The sonar showed nothing but rubble and the faint thermal signature of the buried vents. Then the tick-tick-tick stopped.

Two years ago, they had. After the Mana One incident, a joint military-civilian operation had descended on the Mariana Trench. They had lured the remaining two Megalodons—a mated pair—into a hydrothermal kill box, collapsing a vent shaft on top of them. Officially, the threat was neutralized.

We are not extinct. We are awake. And we remember every harpoon, every net, every sonar blast that broke our silence.

Jonas watched the last flicker of the female’s bioluminescence vanish into the black.

The Megalodon glided forward, and the tick-tick-tick returned. But now Jonas realized what it was: echolocation. Complex, modulated, linguistic echolocation. The creature was talking .

Jonas Taylor knew the creak of the pressure hull, the hiss of the thermal vents, and the low, hunting thrum of a sixty-foot Megalodon. But this was different. A sharp, rhythmic tick-tick-tick , like a Geiger counter having a seizure.

Not a fish. Not a current.

MEG2 had just begun.