TDBB: Earth's Guardian #5.
The bullet had to come out.
Toph sat on the limestone shelf, back straight, right hand flat to the floor. Three slow breaths. Then she went looking for it.
Metal in flesh was still metal. She found the fragment against her left shoulder bone, mapped the damaged tissue around it like voids in stone. Felt the mushroomed tip, the tilted axis from where it had deflected off rock before finding her.
Getting it out was the problem.
She couldn't just pull. She had to draw it upward through its own entry path -- pressure control finer than threading steel wire through gaps smaller than her finger. But the living tissue was her own shoulder, and the pain was making her back teeth ache.
She breathed out. Problems had solutions. She gathered information: the fragment's position, its axis, the path of least resistance, the extraction angle that would tear the least. Mapped it like tunnels until she could feel the route as clearly as the floor under her hand.
Then she bent.
Slow. Sustained. Measured in fractions or it would do more damage than the bullet itself. The fragment moved -- a millimeter, two -- tissue resisting, pain spiking into territory where vision, if she'd had any, would have whited out.
She held the angle. Kept pulling.
It came up through muscle in a path that was not clean, not comfortable, took longer than she wanted. She tracked every millimeter until it reached the surface and she could close her right hand around it and pull it free.
It was small. Smaller than she'd expected for something that knocked her off her feet.
She turned it over in her fingers, reading it through touch. Entry angle. Position when the shot came. Speed before sound. Faster than anything she'd tried to track with her seismic sense. Not a matter of reflexes. Even paying attention, she wasn't sure the tracking speed would have been enough.
She pocketed it.
That was going to have to change.
She pressed two fingers against the wound, pushed her sense inward. She found two small stone chips from the wall, not deep, and coaxed them out the same way, slower, less painful. Then held her palm against the wound and sat there, applying pressure, thinking about armor.
She'd been thinking about armor since she hit the dirt.
In her world, armor had been metal plate over leather over padding. Straightforward engineering. She'd never worn it. Not willingly. Her seismic sense gave her incoming threats; her earthbending gave her shields faster than anything manufactured. Together, they'd always been enough.
They hadn't been enough today.
The bullet had come from behind at a speed her ground-contact sense couldn't track. She'd been occupied with a building. Couldn't split her attention to cover all vectors. She could fix the attention problem with experience. Couldn't fix the physics: projectiles at that speed, from aerial angles, would be invisible until they arrived. And arriving was too late.
She needed to cover the parts that would kill her.
She opened her hands, felt the tunnels around her, read what a city's maintenance infrastructure left behind. Metal everywhere -- pipes, conduits, cable runs, structural reinforcement, abandoned fittings, cut steel pipe left when work was done.
She pulled slowly, drawing metal from the tunnel walls, replacing anything she took with stone from the floor so the ceiling didn't shift. Worked for an hour, maybe more. Gathered materials, laid them out by shape and gauge and alloy, reading each piece through her fingers.
Shoulder plate first. Where she'd been hit. Where the most critical blood vessels ran close to the surface. She took a section of heavy pipe, spread it flat between her hands, shaped it to curve against her left shoulder, pressed and rolled until it sat flush. Added a second layer for the right side, thinner, extending partway down the upper arm where the axillary vessels ran.
Chest next, but partial. Not full plate -- cover what would end her. Sternum. Upper left chest where the heart sat. A length of galvanized conduit, spread flat, wider than the shoulder pieces, overlapping sections riveted with small spurs of bent metal. Flexible enough to breathe in. Solid enough to stop the fragment she'd pulled from her own shoulder.
She fitted the pieces, stood, moved. Felt where they shifted, where they sat well. Adjusted until movement felt right, the metal becoming part of her the way a stance does after enough repetitions.
Not elegant. Salvage work, tunnel-made, sitting over her green tunic like something assembled in the dark by someone who knew exactly what they needed and nothing else. She decided she liked it.
She ate the rat meat she'd saved, pulled from the piece of tunic she'd packed it in. Chewed without enthusiasm in the dark. Cold, tasting of tunnels, but her body took it with the same grateful desperation as the berries. Restored youth demanded fuel at a rate that surprised her. She'd always had a fast metabolism. Apparently that had come back with everything else.
She thought, while she chewed, about the building.
It was down.
She'd wanted to feel something about the collapse. Mostly felt the shoulder.
That was honest, at least.
She'd spent the walk back thinking about what she was actually doing here, and the thinking had arrived, as it usually did with enough tunnel and darkness, at a conclusion she hadn't set out to reach.
She'd been leveling the city. Or planning to. Because she'd found it overwhelming and irritating. And she was doing it with the same diligence she'd applied to everything since Aang -- since the war, since the metalbending school, since the Beifong Security Force she'd built and run and handed off and been quietly relieved to hand off.
She was good at building things. Institutions. Training. Showing people what their bodies were capable of. She was also, if she was honest with herself in a tunnel at whatever hour this was, bored by it within about six months every time.
Not the bending. Never the bending. It was the one thing that had never bored her, the one discipline that kept opening new rooms every time she thought she'd mapped the whole building.
Metalbending had been a room she hadn't known existed. The platinum problem was a wall she was still working on. Down here, the aquifer redirection had required precision and patience she'd developed on the spot -- the best way to develop anything.
But the institutions. The offices. The paperwork Sokka had cheerfully informed her was "just part of being a professional," and that she'd cheerfully informed him she could find a new location in the earth's mantle.
She'd been a hero, technically. Spent years holding up that identification, making decisions that fit the shape of it, showing up when expected, building the security force because it was the right thing to do, because Lin had needed something to grow into, because the world after the war had needed more than one person watching it. All true. None of it a lie. And also, over time, something had sanded off that she noticed only in the swamp when she stopped moving long enough to feel its absence.
She'd been in the swamp because the swamp was honest. It didn't need anything from her. Didn't care what she'd built or who she'd trained or whether the Beifong name still meant something in Ba Sing Se. It just was, and she just was, and the earth under it was old and deep and had no opinion about her legacy.
Then the Parliament pulled her into this world, gave her a mandate, and she'd taken one look at Gotham and felt the city's pain through her feet and started making a plan. Because that was what she did. The reflex that years of being responsible had built so deep it fired before she could examine it.
But somewhere under the planning, under the target list and pipe-sealing and structural analysis, was a different reason she hadn't looked at directly yet.
She'd wanted the trouble.
The kind that made her drop into a horse stance and pull metal from a building and feel the earth respond and know she was exactly what she was and nothing else. Not a hero with an institution to protect. Not a legacy. Not the woman who'd trained Lin.
Herself.
The most alive she could feel was with a collapsing building behind her and guns opening up from the fence line. Information she wasn't proud of and wasn't going to pretend wasn't true.
She wrapped the rat bones in stone, set them aside, stood. Brushed her hands against her tunic and started south again through the deeper tunnels.
She'd mapped one mile in each direction from the junction above. The tunnels ran further south -- she could feel the network extending in a complexity suggesting she'd covered maybe a third of what was down here.
The air from the south was less chemical, more organic under the general tunnel smell she hadn't identified yet and wanted to.
She moved through the dark at a pace that felt good in her restored body, the new armor settling on her shoulders with the weight of something earned, sense expanding outward as she went.
The tunnels told the story of Gotham. It had been a different place once, before the steel and concrete and stone remembered.
Two tunnels past her current map's edge, she felt the roots.
She stopped.
They threaded through the mortar of the tunnel wall to her right, fine as wire, pressing through gaps in old stonework with the slow insistent force of something growing toward a destination for a long time. She crouched, read them with her fingers --:alive, actively growing, cellular density of something recently established. Someone had planted this deliberately. Recently.
She followed them.
They ran south and down, the network growing denser, aggregate weight tracking through stone. The stone around them was changing -- old mortar cracking in hairline fractures the roots pressed through and widened, very slowly, eventually compromising structural integrity.
She found the source through a section where the wall had been opened and resealed with fresh mortar, newer material a different density her fingers read immediately. Someone had come through here. Days ago.
She pressed her palm to it, felt through to the other side.
A space. Large. Not a side-branch -- an actual chamber. Old stone ceiling higher than the tunnels around it. Floor soft with soil, actual earth brought in and laid down several feet deep. Growing in it, in neat radiating patterns she mapped from the root structure, dense organic masses. Large. Established. Root systems already penetrating the imported soil, reaching toward stone beneath.
She straightened up.
Then the air moved through a crack in the tunnel wall above the sealed section. It carried a smell nothing like tunnel rot -- green and alive and heavy with something she had no reference for, organic but dense, making her eyes water.
A vine followed through the crack.
It moved actively, the way a hand reaches for something. Extended, swept through the air in a slow arc, tip finding her shoulder, touching the armor with a delicacy that read as deliberate.
Toph didn't move.
"Turn around if you're not looking for trouble," said a voice from behind the wall. Measured, precise, the particular quality of someone accustomed to being the most dangerous thing in any space they occupied. "And I will show you mercy, this time."
The vine was still touching her armor, reading her the way her fingers read stone.
Toph's smirk cut sharp as a thrown blade. "Then you're in the wrong tunnel."