He smelled it before he saw it.
Not food, not yet. Something else. Wood, but different from the planks underfoot, less weathered, more contained. A closedness. He had been walking for what felt like another hour since the arrow, watching walls, watching floor, finding nothing that fired, and then the smell reached him and he slowed down.
The chest was set against the right railing, flush with the post, low to the ground. Dark wood with iron fittings at the corners, a latch on the front, no lock. Roughly the size of a travel bag laid flat. He stopped three metres away and looked at it.
It was an object sitting on a bridge that had already tried to put an arrow through his head. That was the complete picture. He held it there and did not move closer yet.
The latch was simple, a hinged bar that dropped into a slot. No visible mechanism around it. No holes in the planks nearby, no obvious pressure plates, nothing on the railing posts adjacent to it that looked different from the other posts. He crouched and examined the underside of the chest from where he was. The bottom sat flat on the planks. No gap, nothing mounted beneath it.
He picked up a loose splinter of wood from a gap between planks and tossed it at the chest. It hit the side and fell. Nothing happened.
He stood and approached slowly, one step, two, stopping after each to wait. Nothing. He crouched beside it and put two fingers on the latch without lifting it. The metal was cold. He pressed down lightly, feeling for resistance, for a spring mechanism, for anything that moved in a way the latch alone would not account for. Just the latch. Just the simple drop of metal into slot.
He opened it.
Water. Two sealed containers, the kind with a twist top, each holding maybe half a litre. He picked one up and turned it over. Clear liquid, no colour, no sediment. He unscrewed the top and smelled it. Nothing. He touched his little finger to the surface and then to his tongue. Nothing but water.
He put it down and looked at the rest.
Food. Wrapped in cloth: three portions of something dense and dry, compressed into blocks. He unwrapped one and broke a corner off and smelled it. Grain, mostly. Something else underneath, protein of some kind. He ate the corner.
It tasted of almost nothing. Dry and slightly bitter and completely fine.
He ate the rest of the block standing up, slowly, not because he was not hungry but because he did not know what his stomach would make of food after however long it had been empty. He waited after the first block. His stomach accepted it. He drank half of the first water container and stopped. Then he sat down on the planks with his back against the railing post, the chest open beside him, and ate the second block.
The relief was physical. He had not known how much of his attention hunger had been consuming until it stopped. His shoulders dropped. His jaw unclenched. He sat on the planks of a bridge over a bottomless void and ate compressed grain and felt, for a few minutes, close to all right.
He started on the second water container, drank half, and stopped. Rationing was the obvious move. He did not know when the next chest would appear or what it would contain. He packed the remaining water and the third food block back into the chest, then thought about that, then took them out again and put them in his tracksuit pockets. The chest was not going anywhere with him. His pockets were.
He sat a little longer.
The hum of the bridge was still there, low and constant. The void on either side. The walls with their holes, most of which had not fired. He felt the food settling and thought about the arrow and the pattern of holes and got no further than he had before. Not enough information yet. The bridge would give him more whether he wanted it to or not.
He stood, checked that his pockets were secure, and kept moving.
The second chest appeared forty minutes later, by his rough estimation. Same design, same placement against the right railing, same iron fittings. He ran the same checks. Splinter toss, visual sweep, latch pressure test. Everything the same as the first.
He reached for the latch and stopped.
His hand was near it, close enough to feel the cold coming off the metal, and it would not go further. He had no new information. The checks had come back clean, the same as before. He told himself this and reached again and stopped again, fingers an inch from the latch, his body declining to complete the motion for no reason he could identify.
He stayed there a moment. Then he opened it.
The flame came out low and fast, a pressurised jet from a nozzle concealed beneath the latch housing, triggered the moment the lid cleared the mechanism. It hit his left forearm before he could pull back and he did pull back, hard, falling onto his right side on the planks, and the flame cut off as quickly as it had come, a half-second burst, already done.
He lay on his side and looked at his arm breathing heavily.
The tracksuit sleeve had taken some of it. Not enough. Through the scorched material he could see the skin below had gone red and tight, the edges already beginning to blister in a band from his wrist to mid-forearm. It did not hurt yet. He knew that burns arrived in stages, that the pain was on its way, that the absence of it now meant nothing good.
He sat up. Did not look at the void. Looked at the arm.
The blisters were forming fast. The skin around them was tight and shiny and already changing colour, deep red shading toward something darker at the centre of the burn. Second degree. He knew what it meant: serious without being unsurvivable if managed correctly. Managing it correctly required things he did not have.
Cool water. Covering. No pressure on the skin.
He had one container with half remaining and one still untouched.
He poured the half container over the burn slowly, letting it run the length of the forearm. The relief was immediate and brief. He tore the sleeve off at the shoulder seam and laid the scorched fabric loosely over the burn, not wrapping it, just covering it. That left him with one full container of water and one food block.
The pain arrived.
Not gradually. It came in a wave that started at the wrist and moved up, and it was bad enough that he sat down hard on the planks without deciding to. He got his back against the railing post and held the arm out from his body and breathed. The throb deepened. He tried to focus on something else and there was nothing else. The bridge, the dark, the hum, all of it receded and there was just the arm.
He did not move for a while.
At some point he tried to reach for the chest with his good hand to look inside it. His fingers got there and he stopped because even the small motion of leaning forward changed the pressure on the burn and he was not ready for that yet. He let his hand rest on the planks and waited.
The pain did not go away. It settled. There was a difference, and he learned it slowly: the wave quality faded and what was left was a deep constant heat that was easier to exist alongside. Not manageable. Just different. He tested the lean again. Made it this time.
The chest was still open in front of him. He looked at it from where he sat, at the nozzle housing beneath the latch, visible now that he knew to look, a small brass fitting recessed into the wood. Neat work. It had been built into the chest at construction, not added later. Someone had made a thing that looked exactly like the other thing and put fire in it instead of food.
'Same chest. Different contents. No way to tell from outside.'
He looked at the inside of the lid. There was something there. He leaned closer without touching the chest again. Scratched into the wood on the inside of the lid, small and neat: a single horizontal line with a short vertical through the middle. He did not know what it meant. He memorised it anyway.
He stood up. The arm throbbed. He held it slightly away from his body to keep the fabric from pressing the blisters and took stock of what he had left. One water container, full. One food block. A burned left forearm. A tracksuit missing its left sleeve.
The chest had been empty otherwise. The trap was the whole of it.
He thought about the two chests. First one: food and water, no mechanism. Second one: nothing useful, fire. He had approached both the same way. Run the same checks. Found nothing different between them. The external appearance had given him no information that would have let him distinguish one from the other.
That meant either the difference was internal and undetectable from outside, or there was no reliable method and the outcome was random, or there was a method he had not found yet. He did not like the second option so he filed it last and focused on the third.
There would be more chests. He would keep looking.
He adjusted the loose sleeve over the burn, checked his pockets, and started walking.
The first step sent a jolt up the arm that stopped him.
He stood there. He had known it would hurt. That was not the issue. The issue was that knowing and feeling were not the same thing, and the feeling had arrived before the knowing could do anything useful with it. He looked at the bridge ahead. Grey planks going out into grey distance. The same bridge it had been a minute ago.
He waited until the throb settled back to the dull pulse he could manage. Then he walked. Slow at first, arm held slightly out, finding the rhythm of it. It hurt with each step. He set it aside as best he could and watched the walls and watched the floor and moved forward.
The bridge went on ahead of him. Grey and long and indifferent.
He had known from the first chest that the bridge offered things. He knew now that the offering and the threat came in identical packaging. That was the lesson. He had paid for it with his forearm and he did not intend to pay for the same lesson twice.