The beat of a tick-tock measure brushed my ears. To our left, a glow limned a vaulted chamber. Its depths lay smothered in darkness, but seen through arches, the front of the chamber gleamed with a milky luminescence. Creatures were lined up in ranks whose columns vanished away into the gloom beyond the aura of light. At first glance, I thought them soldiers at parade rest. But as my steps faltered and I stared, I realized they were not breathing and not human. Their slender limbs and torsos were speckled as if they were stone. Their faces were human in having lips, noses, and ears, but the hollows where they should have had eyes glistened with patches like wet velvet. Most wore sleeveless tunics woven of a fabric that might have been thread spun from fog. In the shadow-drenched depths, unseen sleepers inhaled and exhaled.

My guide hissed faintly. I looked at it. It was almost as tall as Bee, golden in color, lithe as a dancer, and not remotely human in expression, having no eyes to mark its heart and soul. Beyond it stood Bee, Rory, and their guides, but the headmaster’s assistant led the way without a guide. How could he see in blackness so complete it blinded me?

An emphatic thud sounded from the back of the chamber. A ticking ratcheted up with a groan of air as of steam being released. Mist like a cloud of fireflies chased along a murky shadow. Gears whirred. A head slewed around, and claws like edged blades winked in the pale light.

The goblin whispered, “Run.”

We ran. For the first twenty steps, I thought the gods were with us, Blessed Tanit offering sanctuary beneath her hand, Gracious Melqart a shield, Ba’al a harbor against the storm. I looked back over my shoulder.

A creature stalked out from the arches. It looked like a troll skeleton knitted out of gears and metal bars. Its head swayed as it turned to look back the way we had come, into the black pit of the far passage. If it just looked that way a moment longer we might escape into darkness.

With a dip of its head and a menace of teeth, it swung around and bounded after us with weighty tick-tock steps. A hiss of steam sprayed from its gaping mouth.

Rory stepped past me and heaved a bag at it. The bag slammed into its shoulder and knocked the creature sideways. It jolted to a stop against the wall, groaned and shook, the head rearing back before it lowered again to seek us. Rory kept spinning all the way around and with the extra force gained released the second bag. It sailed across the gap and smashed into the head. The creature toppled, hitting the wall hard, then staggered the other way, hit the opposite wall, and tumbled down. A spark spiraled up and winked out. Gears whirred busily as the creature strove to right itself.

The cursed creature was not getting my father’s precious journals.

“Cat!” cried Bee as I bolted past Rory.

“Go! I’ll follow!”

I grabbed the closest bag. Metal claws closed around the ankle of my boot. I dropped the bag on the elbow joint. The weight slammed the arm into the floor. But it was already shifting to dislodge the obstacle. The head reared up, metal jaws gaping. Teeth gleamed. A red heart of fire pulsed deep down in that throat, as if making ready to scorch me.

From far above, linked as by an intangible chain threaded through the earth, cold magic—Andevai’s storm—flared down the length of my sword. The hilt flowered; I twisted it free, and thrust the slim blade down that yawning gullet.

Combustion died. The creature sagged on a final stuttering tock tunk tick.

My heart lurched as if under a pounding of fierce hail, and my gaze hazed as a pulse not my own roared in my ears: “Catherine!?”

I was hallucinating Andevai’s voice. I sheathed my sword, grabbed both bags, and ran blindly after the others. My head was reeling and I am sure I could not have told anyone my name or indeed anything except that I was not giving up the bags, not even to death.

“Cat! This way!”

I followed Bee’s voice past a series of curtains whose fabric slithered like woven metal. As the last one slipped down my back, my leading boot stubbed a step.

“Now we owe you a debt for saving us,” said a goblin, hidden behind the last baffle. “Your price is paid.” I could not tell if it was grateful or disappointed.

“I’ll take them up from here,” said the headmaster’s assistant. “You’d best scatter before your lords come looking for the trouble we’ve caused.”

I heard the rustle of the baffles as the goblins slipped back into their underworld so quickly I didn’t have a chance to thank them or ask them a question or even to think. Startled by the sound of footfalls, I set down the bags and drew my sword. A young man with a long black braid dangling over his shoulder like a rope took the bags from beside me. After a moment, I realized it was Rory, and there was light enough for me to see. They were already climbing. I followed.