"Okay," Arista said, dusting off her hands. "Message received. So. Up it is, then. Step one: adamantium pickaxe."
She crouched by the exposed green vein, running a hand along its surface. She took a big swing with her pickaxe.
[Mining Attempt Failed: Tool Insufficient for Material Hardness]
"Right. Of course." She sat back, chewing her lip. "I don't necessarily need to mine it in the traditional sense. I need to separate it from the surrounding rock. Adamantium's got a stupidly high melting point, but it's still sitting inside regular stone."
"...What if I don't move the ore to the forge. What if I move the forge to the ore." She grinned. "If I build a forge directly on top of the vein and run it hot enough, the surrounding rock's melting point is way lower than adamantium's. It should give way first."
"I'm not mining it. I'm just making everything around it stop existing until it's the only thing left."
Building a portable forge took a day of getting the geometry right, a squat, reinforced housing that could sit directly on top of the vein, funneling heat downward.
[Item Crafted: Directional Forge Housing (Prototype)][Blacksmithing XP +30]
By hour four, a faint reddish glow had crept around the base. She cracked the seal open with tongs and found the stone immediately surrounding the vein had gone soft, crumbly.
"Oh, that's disgusting. In the best way."
[Material Isolated: Raw Adamantium — 340g][Blacksmithing XP +50][Achievement Unlocked: Wrong Tool, Right Idea]
"Three hundred and forty grams. ...Okay. I'm going to be doing this a lot more times."
With the descent closed off, Arista's attention shifted upward. The gravity bike's whole premise depended on gravity pressing the boring wheel into the rock. Angle it upward, and gravity worked against her instead.
She logged off, cracked open a Pixis Surge with one hand, tablet balanced in the other, and settled cross-legged on her bed.
"...Okay. This is going to be a long night."
How do you dig upward or at an angle without gravity helping, she typed into the search bar, falling down yet another research hole considerably deeper than the tunnel itself. Diagrams of actual industrial tunnel boring machines filled her screen, rotating cutterheads mounted on rigs that gripped the tunnel walls to brace themselves forward.
"It's not about gravity pressing the head into the rock. It's about the machine gripping the walls and pushing itself forward, mechanically, no matter which way is down."
She logged back in somewhere around sunrise, notebook's worth of sketches already committed to memory, and got straight to work.
The final design: a central rotating head with three curved blades, angled like inverted scoops. Two crank stations drove the blade assembly. Behind that, a separate pair of treads, gripping the tunnel walls, driven by two more cranks.
"Four people. Two on the blades, two on the treads. That's, okay, that's a lot of pedaling assassins."
She glanced toward her small stash of adamantium chunks, nowhere near enough for three full blades.
"...Guess I know what I'm doing for the next however-many weeks."
It took an entire month of gathering adamantium before she had a decent amount. While gathering, she built the smaller pieces and started recruiting.
"Hey. You two ever been to the surface?" she asked a pair of off-duty soldiers. "You've lived your whole life down here. Torches instead of sun. And every other race gets to bump into each other at the Wasteland's edge, meanwhile you're just... stuck. Bound to hell, basically, forever, because nobody's ever bothered to check if there's a way out."
"There isn't a way out," one said, though with noticeably less conviction than a minute ago.
"There wasn't," Arista corrected. "Past tense. I've got a rig half-built that's going to chew straight up through solid rock. I just need hands on the cranks, and in exchange, you get to be part of the group that actually opens this realm up. New era. Whole new set of rules, and you're there for the ground floor. Or, well. The very, very deep floor, technically."
By the end of the month, her courtyard held a growing roster of names.
Arista set a one-meter iron model on a workbench. Three curved blades, spun slowly around a hand-cranked axis.
"This. Right here. This is the idea." She held up the little rig. "Now imagine this. But a hundred times bigger."
"The blades bite the rock face here, dragging debris back instead of just chipping at one point like a pickaxe. The treads press against the tunnel walls from both sides, gripping hard enough that the whole rig can push itself forward at any angle."
The story has been stolen; if detected on Amazon, report the violation.
"So," she said, surveying her crew, "who wants to help me build the real one?"
The shorter soldier raised a hand. "...Does it come with a bicycle lesson first?"
"Free of charge, my friend."
An older demon woman stopped by one evening to watch the half-assembled cutterhead catch torchlight.
"You understand," she said, quiet, almost reverent, "demons haven't set foot on the surface since the Heavenly War."
"The war that made the Wastelands?"
"Celestials and demons, tearing the world apart between them. That's the last time our kind stood under open sky."
"So it's not even, like, forbidden," Arista said slowly. "It's just... nobody's tried since."
"Nobody's needed to try."
"...Because somebody finally asked why not, I guess."
The woman reached out and touched one of the adamantium blades, careful, almost reverent. "My grandmother told the war stories like scripture. I never expected to see something built to undo the ending of one."
Two weeks later, the machine sat complete at the base of a freshly cleared tunnel face.
"Tread crews, engage." The tread cranks groaned into motion, iron links biting into grooves, pressing the whole assembly flush against the rock face.
"Blade crews, go." The great triple-bladed head began to spin, adamantium scoops biting into stone at an upward angle.
It worked.
[World First Achievement Unlocked][Industrial Revolution — You have built the first self-propelled mechanical excavation machine][Reward: +500 Fame][Title Earned: Father of Industry]
Arista blinked, then read it twice. "...Father?"
She folded her arms. "Mother. Mother of Industry. Fix your terminology."
[Title Updated: Mother of Industry]
"Better. Now let's go meet some elves."
The blades cut through stone the way nothing else in her arsenal ever had. Shifts rotated around the clock.
[Distance Traveled: 1,240 meters][Elapsed Time: 7 days]
"At this rate—" Arista did the division slowly, "—we've got another three weeks left. Minimum."
The forums exploded. Players created demon alts just to watch. Guilds rerouted raid schedules.
[Server Population Growth: +10% (7-day rolling average)][New Character Creations: Demon race +340% week-over-week]
"You know you're trending, right?" the assassin said, showing her a highlight reel. "You're famous. Actually famous."
"...Huh. Well. Guess we'd better not screw up the ending, then."
The final stretch happened fast, the blade crew cutting through a thin final crust of packed earth, root systems visible in the debris. Then the blades broke through, and a single thin shaft of light lanced down through the gap.
[WORLD EVENT COMPLETED][The Gates of the Underworld]"For the first time since the First Heavenly-Demonic War, a permanent passage between the Demon Realm and the Surface has been opened."
[Achievement Unlocked: Founding Expedition][Reward: Unique Title — Surface Pioneer, +500 Fame, Permanent Historical Record, Statue Inscription]
[Achievement Unlocked: Industrial Corps — "Contributed over 100 hours to the Great Excavation."]
"Worth it," Arista said, grinning up at the sun. "Every single meter. Worth it."
The Celestials, it turned out, had their own long-simmering frustration. Wings had never been the advantage everyone assumed: every Celestial who tried diving down toward the surface hit the same endless bank of cloud, no matter how hard or fast they flew.
[Celestial Global Chat — Anonymized Excerpt]"they LITERALLY built a machine and just... dug their way out. we've spent YEARS diving at that cloud layer and getting bounced like idiots"
Arista, scrolling through the screenshots, felt a small, mischievous grin creep across her face.
"...Huh. Wonder what a giant adamantium drill would do to a cloud layer."
The mountain took three days to climb. Arista swung the iron pickaxe into the cloud bank.
It didn't cut. It gave, soft and yielding, and the force of her own swing came right back at her.
"Ow— okay, that's new."
"Right. Not a hardness problem. This isn't rock. This is something that bounces. I need something that doesn't fight the flex, something that can absorb some of that give without shattering or bouncing the energy straight back at me."
"Not the strongest thing I can build. The toughest."
The Dwarven Republic offered pieces of the answer. An old dwarven smith tapped a chisel against a half-finished blade. "You want tough, not hard. Anyone can make something hard. Hard breaks. Tough bends and comes back."
"Damascus," Arista murmured. "Folded layers. Hard edge, flexible core, so the whole thing absorbs shock instead of just breaking under it. What if I do that. But with adamantium instead of just steel."
"You've got adamantium?" the dwarf asked.
"A bit."
"Where in the Republic did you find—"
"Not the Republic. The deepest trenches of Hell."
The dwarf stared at her for a long, silent moment. "...Right. Course you did."
"Real-world technique," Arista explained, pulling out her notebook. "Two different metals, one hard, one flexible, stacked and folded together, dozens or hundreds of times. Each fold traps another layer of both properties into the metal."
"Aye, we do similar. Pattern-welding." The dwarf studied her sketch. "Different alloys, mind, but the principle's the same."
"So my thinking is, what if the hard layer isn't steel at all. What if it's this," she said, tapping the adamantium.
The dwarf turned the sketch over in his hands, considering it a long moment. "Never worked this stuff myself. Melting point alone's going to be a nightmare."
"...Alright," he said finally. "Two conditions. First, my name goes on it too. Second, when you're done, you tell me exactly how deep 'the deepest trenches of Hell' actually goes. I've got grandchildren who won't believe this story without details."
"Deal. Both counts."
The dwarf disappeared and returned with a small, unassuming ingot, pale silver, almost translucent.
"Mithril. Melting point's close enough to your green rock there that they'll actually cooperate in the forge. Where adamantium's all hardness and stubbornness, mithril bends. Comes back to shape after most strains that'd shatter regular steel outright."
"Toughness instead of hardness," Arista said grinning. Exactly what I need for the flex layer."
"There's more to it than that, mind. Mithril's not just tough. It's a conduit. Mages favor it for staves, wands, focus-cores. Doesn't hold a charge on its own, but it channels it about as well as anything known."
"Wait." Arista sat up straighter. "So if I fold mithril into the layers alongside the adamantium, it's still going to conduct mana through the finished pickaxe? Just as a side effect of what it is?"
"Like as not, aye."
"...Okay. I came here for a pickaxe that could survive hitting a cloud. I think I might be about to build something a little more interesting than that."
The dwarf huffed something that might have been a laugh. "Careful. Every smith who's said that sentence to me has ended up with either a masterpiece or a very expensive pile of slag. No in-between."
"Yeah," Arista said, already reaching for her notebook again. "That tracks."
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