The Tarrasque was not supposed to wake for another forty years.
Every sage in the Duskmere Basin agreed on that. They had the star charts. They had the old records. And they had the quiet comfort of knowing it would be their grandchildren's problem.
Then, one spring morning, the hill everyone called Old Sleeper stood up.
It ate the forest first. Then the river barges. Then the town of Hollowfen, chapel bell and all. Four villages in twelve days.
And the strangest part, the part nobody noticed until a druid named Maeve Thornwick followed it for three days straight, was that it was getting thinner.
The second heartbeat
“It's starving. It has eaten enough to feed a kingdom for a year, and you can count its ribs,” said Maeve.
Maeve found the only two people foolish enough to listen. Brask, a dwarf who had never lost an arm-wrestle or an argument. And Lissa Quickfingers, a halfling whose entire job description was "get in, take it, get out."
“We can't kill that,” said Brask. “Nobody can kill that.”
“I'm not asking you to kill it,” said Maeve. “I want to know what's eating its food.”
That night, while the Tarrasque lay panting in the ruins of a mill town, Lissa climbed it.
Its scales were warm as hearthstones. She pressed her ear flat against its belly and listened.
One heartbeat. Slow. Enormous. Like a drum inside a cathedral.
And beneath it, a second heartbeat. Faster. Smaller.
“...and something's humming,” said Lissa.
Eighty years of stolen meals
Maeve knew the old story. Eighty years ago, the last time the Tarrasque walked, it crossed the black marshes and swallowed a dragon's nest whole. Eggs, hatchlings, mud and all.
“One of them must have lived,” said Maeve. “Black dragons are born in acid. To a wyrmling, a stomach is just... home.”
For eighty years, while the Tarrasque slept, the wyrmling fed. Everything the great beast swallowed, the dragon took first. And slowly, the sleeper starved, until hunger woke it forty years early.
“Kill whatever's in there, and the Tarrasque can finally eat its fill,” said Maeve. “It'll lie down. It'll sleep.”
There was just one problem. Eighty years is a long time. The dragon wasn't a wyrmling anymore.
“So. Fight a Tarrasque from the outside...” said Brask.
“...or a dragon from the inside,” said Lissa.
“I hate that the second one sounds better,” said Brask.
At dawn, the Tarrasque yawned. And three very small people ran into its mouth.
The swamp in the stomach
The throat squeezed them like a fist. Brask jammed his shield against the walls, and they slid, tumbled, and dropped into the gullet.
It was a graveyard. River barges. Half a watchtower. A tax caravan, its strongboxes still locked, the oxen long gone.
And beyond that, the stomach. A swamp. Hot black water steaming from pools that hissed. Islands of coins glinting in the dark. Eighty years of everything the Tarrasque had ever eaten, sorted, stacked, and kept.
A hoard.
“Guests. Do you know how long it's been since anything came in here on purpose?” asked Ithrax.
The dragon rose out of the acid. Black scales gone pale from never seeing the sun. Eyes like lanterns. And its tail didn't end. It ran straight into the stomach wall, grown into the flesh, pulsing in time with that second heartbeat.
“I am Ithrax,” said Ithrax. “And I am so... very... bored.”
Brask raised his axe. Ithrax didn't even flinch.
“Before you swing, dwarf, think,” said Ithrax. “I am rooted. Its blood is my blood. Kill me, and it keeps walking, starving and furious, forever. But kill it... and we both die. The heart is just beyond that wall. One blow. You save the basin. You keep the hoard. And I finally get to rest.”
Lissa looked at the tail. At the way it pulsed. And the whole deal felt like a hand sliding into her pocket.
“Brask. Wait...” said Lissa.
But Brask had never lost an argument. And in his head, he'd already won this one.
The Tarrasque's heart stopped.
For a moment, everything was still. Then the walls began to tremble. Not like something dying. Like something changing.
What walks out
The Tarrasque coughed them up into the marsh. Three small figures covered in acid burns and loose gold. Its body lay across the valley like a fallen mountain.
They had done it. The Tarrasque was dead.
Maeve was the first to see the belly move.
Something forced its way out through the scales. Black dragon wings, yes, but plated now in the Tarrasque's armored shell. Horns grown thick and curling. Scales that shimmered when Maeve's spell struck them, and threw the magic right back at her.
For eighty years, Ithrax had fed on the Tarrasque's blood. And when the heart stopped, everything that made the Tarrasque unkillable had nowhere left to go.
Except into the dragon.
“Thank you. Truly. Do you have any idea how hard it is to find someone gullible enough to walk into a stomach?” asked Ithrax.
It spread its new wings. Its first breath of open air in eighty years came out as acid that turned the marsh to glass.
Then it flew east. Toward the cities.
Lissa looked down at her hand. Somewhere in the gullet, out of pure habit, she'd lifted something off the hoard.
A single black egg. Warm to the touch.
And faintly, very faintly... humming.
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