Reborn as Eren Yeager: The Gacha System

Chapter 54: What Reiner Almost Said

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The chance to speak with Reiner alone again came sooner than Eren expected, and in circumstances considerably more dangerous than a quiet supply road.

A night exercise — simulated Titan encounters using training dummies rigged on movable tracks through the forest course, designed to test squad coordination under low visibility — went wrong within the first twenty minutes, when a malfunctioning dummy rig tore loose from its track and came crashing down directly into the middle of a cluster of recruits below.

"Move!" Eren’s flicker fired half a second before the shout left his mouth, some instinctive certainty pulling his body sideways even as his mind caught up to the danger.

He wasn’t fast enough to reach everyone. Reiner was.

The larger boy moved with startling, unnatural speed, shoving three recruits clear of the falling rig in the space of a single breath, absorbing the impact of a support beam across his own shoulder that should have, by any ordinary measure, broken bone.

It didn’t.

Eren, close enough to see clearly in the torchlight, watched Reiner’s shoulder take the blow and simply — hold, no crack of bone, no cry of pain beyond a sharp grunt, recovery already visible in the way he immediately hauled another recruit clear of the wreckage instead of favoring the injury at all.

That’s not normal, Eren thought, old fragments of Titan physiology stirring uncomfortably at the edges of his awareness. That’s not human, not entirely.

Shadis arrived moments later, barking orders, the chaos resolving into organized triage within minutes — no serious injuries, thankfully, the malfunctioning rig doing more damage to itself than to the recruits it had nearly crushed.

But Eren had seen what he’d seen, and Reiner, catching his eye across the torch-lit chaos, seemed to understand exactly how much had just been witnessed.

They spoke properly an hour later, once the exercise had been called off and the recruits dismissed back to barracks, Reiner catching Eren’s arm quietly before he could follow the others inside.

"You saw that," Reiner said. Not a question, same as before.

"I saw a beam that should have broken your shoulder just... not."

Reiner was quiet a long moment, weighing something behind carefully guarded eyes, before he finally spoke, voice low enough that the retreating recruits couldn’t overhear.

"I told you I’d know more, eventually, when there was enough trust built for it to matter." His jaw tightened. "I think tonight proved there’s not as much time left to build that trust slowly as either of us would prefer."

"Then tell me now. Whatever it is."

"Not here." Reiner glanced around, the same habitual wariness Eren had noticed in Annie. "Tomorrow. After evening mess. There’s a place past the eastern fence where we won’t be overheard." He met Eren’s eyes, something heavy and reluctant in the look. "I’ll tell you what I can. Not everything — some of it isn’t only my secret to give away. But enough that you understand why I recognized the weight in you the first time we fought."

He walked off before Eren could press further, leaving him standing alone in the torch-lit dark with old dread pooling steady in his stomach.

Mikasa’s reaction, when he relayed the exchange, carried its own careful weight.

"A shoulder that shouldn’t survive a support beam," she repeated slowly. "That’s not ordinary human resilience, Eren. That sounds like something closer to what you carry. The Titan physiology fragments."

"That’s what I thought too." He rubbed at his temple, the night’s tension still humming under his skin. "Which means whatever Reiner is, it’s not just skill or training. There’s something more fundamental going on. Something that might connect directly to everything my father’s been warning us about."

Armin, listening with his usual intense focus, had already produced the notebook, though his expression carried more gravity than his usual eager theorizing.

"If Reiner has some form of enhanced physiology similar to yours," he said slowly, "and if Annie’s warning about people ’wanting to take rather than understand’ applies to both of them — then I think we might be looking at something considerably larger than isolated anomalies. Multiple people, possibly sent here deliberately, carrying abilities connected to whatever Marley’s actually been doing with power like yours for generations."

"That’s an uncomfortable theory."

"It’s the theory that fits the available evidence. I don’t love it either." Armin closed the notebook, unusually solemn. "Eren, I think tomorrow’s conversation with Reiner might answer more questions than anything we’ve learned so far this entire year. I think you should be ready for whatever that answer turns out to be — including the possibility that it’s not good news."

Eren met Reiner past the eastern fence the following evening, the sky bruised purple with the last of the sunset, the isolated stretch of ground offering the privacy Reiner had promised.

"I need you to understand something first," Reiner said, without preamble, before Eren had even fully settled across from him. "What I’m about to tell you isn’t a confession of friendship. It’s a warning, because I’ve decided — against instructions I probably shouldn’t be defying — that you deserve to know what’s actually circling you before it arrives without warning."

"I’m listening."

Reiner was quiet a long moment, visibly steeling himself, before he finally spoke, voice heavy with something that sounded, to Eren’s ear, uncomfortably like grief.

"I’m not from inside these walls," he said. "Neither is Annie. We were sent here — years of preparation, false histories, false families waiting for us in districts that don’t actually exist the way we’ve claimed — sent here specifically because of you, Eren. Because of what the Coordinate means, and what it’s worth to people far more powerful than either of us actually are."

The words landed like a physical blow, old dread crystallizing into something horribly, finally confirmed.

"You’re here to take it," Eren said slowly. "The power. Whatever the system’s given me."

"That was the original mission." Reiner’s voice cracked, just slightly, the careful control finally slipping. "I don’t know anymore if it’s still my mission. I’ve spent two years watching you become someone worth actually knowing, instead of just a target worth completing an assignment against. That complicates things more than my superiors would ever forgive, if they knew how much it’s already changed how I feel about all of this."

Eren sat with that, the weight of it settling slow and cold despite the warmth Reiner’s confession carried underneath the danger.

"What happens now?" he asked finally. "If you’re still under orders, if Annie’s still under orders — what happens when whoever sent you decides it’s time to actually act on those orders?"

"I don’t know." Reiner’s eyes met his, heavy with something between warning and apology. "I only know that when it happens, I want you to remember that some of us were following orders we didn’t choose, the same way you carry a burden you didn’t choose either. That doesn’t excuse whatever comes next. But I wanted you to understand it, before it arrives."

He stood, the conversation clearly closing, though something in his posture carried more weight leaving than it had arriving.

"Be careful, Eren," he said quietly. "Truly. Whatever happens between us eventually — I’d rather it not be tonight, and I’d rather it not be soon, if I have any say in the timeline at all anymore."

He walked off into the deepening dark, leaving Eren alone with a truth heavier than almost anything the countdown had handed him so far — an enemy, potentially, who no longer entirely wanted to be one, carrying orders that threatened everything Eren had spent two lifetimes trying to protect.

He told Mikasa and Armin everything that night, the weight of Reiner’s confession settling heavy over their small circle.

"They were sent for you specifically," Mikasa said slowly, processing the enormity of it. "Years of preparation. False identities. All of it, aimed at eventually taking what the system’s given you."

"That’s what he said."

"But he also said he’s not sure anymore if he wants to complete that mission," Armin added, something cautiously hopeful beneath his usual careful analysis. "That’s not nothing, Eren. That’s someone choosing, actively, to warn you instead of simply following through on years of careful preparation."

"It doesn’t mean he won’t still be forced to, eventually. Or that whoever sent him won’t send someone else, if he refuses." Eren’s voice carried the exhaustion of a truth too large to fully process in one evening. "I don’t know if I should be grateful for the warning or terrified of what it means is still coming."

Mikasa’s hand found his, steady despite the enormity of the revelation. "Both, probably. That seems to be how most of this year has gone." She squeezed his hand, grounding him against the weight of it. "But we know now, Eren. That’s more than we had yesterday. We adjust the plan, the same way we’ve adjusted every single time new pieces of this puzzle have revealed themselves."

Seventy-six days remained on the countdown that had once felt, however impossibly, like the only threat worth preparing for.

Now, with Reiner’s confession settling heavy in his chest and Annie’s careful warnings still echoing in his mind, Eren understood, with a clarity that felt both terrifying and strangely clarifying, that the fight ahead was never going to be as simple as walls and Titans alone.

It would require every piece of trust he’d built this year — Mikasa’s steady hand, Armin’s careful research, even the reluctant, complicated warnings of an enemy who no longer entirely wanted to be one — to survive what was still, inevitably, coming for all of them.