There was a moment, somewhere in the middle of the forty minutes, when Elias ran out of plan.
Not out of mana — Ymir's contribution and the Domain's feedback loop were sustaining him, barely, at the edge of operational capacity. Not out of Legion — he had lost thirty-seven shadows by the midpoint, dissolved by the Dragon's dimensional assaults, and the remaining sixty-three were operating at reduced efficiency in the contested space.
He ran out of the part of the plan that had been designed in advance, the tactical architecture of six months, the prepared responses to anticipated scenarios.
The Dragon was not doing what he had anticipated.
He had anticipated force. He had anticipated dimensional manipulation. He had anticipated the specific abilities that the historical records documented from the original battle.
He had not anticipated that the Dragon would stop fighting and start talking.
[You are not trying to kill me,] the Dragon said, through the dimensional translation that had been running continuously alongside the battle as if the two activities were not contradictory.
Elias, standing in the eye of a contested dimensional space with sixty-three remaining shadows and a Fallen Seraph and a mana pool at fifty-one percent, said: "I am trying to defeat you. There is a difference."
[The last ones wanted to kill me.]
"The last ones wanted what defeating me produced for them," Elias said. "I want what comes after you exist in a different relationship to the world than you currently do."
The Dragon went still.
[What relationship.]
This was the moment that the twelve percent probability hinged on. Not the tactical architecture. Not the Soul Dominion or the Ymir contribution or the Contested Domain. The conversation.
Because the Dragon of Ruin was not, in the first life or the second, simply a monster. It was a Dimensional Sovereign. It was an entity that had existed since before the System and had been fighting the Gate structure since the moment the Gate structure had attempted to classify and contain it.
It had been fighting for the same reason that everything fights — because the alternative was to stop existing in the way it had chosen to exist.
"You are not a threat to the world by nature," Elias said. "You are a threat to the world because the Gate structure contains you in a space where your existence has no function except to be the thing at the end of a corridor that Hunters are supposed to defeat." He kept his voice level. The Domain was burning mana. The clock was running. "That is not a relationship I am interested in sustaining."
[You are suggesting an alternative.]
"I am suggesting that a Dimensional Sovereign with the capacity to have a conversation," Elias said, "deserves a better situation than being a rated obstacle in someone else's progression system."
The dimensional space was very quiet.
The sixty-three remaining shadows held their positions without being directed. Even the Shadow Inquisitors — the ones whose instinct was toward judgment and finality — were still.
[What do you want from me.]
"I want the same thing I want from Ymir," Elias said. "A covenant. Not a chain. A covenant."
[The glacier serpent,] the Dragon said. [You have bound it.]
"Voluntarily," Elias said. "I left the Soul Dominion option available and used the Vassal Covenant instead. The difference is the direction of the obligation."
The Dragon was silent for a long time.
In that silence, Elias did the arithmetic that he had run before, privately, in the pre-dawn hours of the sixth month when he was honest with himself about what he was actually planning to do in this dimensional space.
The tactical approach was genuine. He had planned to fight his way to a Contested Domain and then press for victory from inside it. He had planned it because it was necessary to have an approach that worked if the rest failed.
But he had also planned for the rest.
He had planned it from the moment he understood, reading the Dragon's System classification — Pre-System. Age: unmeasured — that a thing which predated the System was a thing that the System had not made and therefore a thing that the System's relationship structures did not fully describe.
The System said: Defeat the Dungeon Master.
Elias had spent a year learning that the System's categories were not always the only available options.
[A covenant,] the Dragon said. [Between a Sovereign and a Monarch.]
"Between two things that predate what everyone else thinks of as the rules," Elias said.
Another silence.
Then something shifted in the dimensional space — not the contested territory alignment, not the Domain or the Soul Dominion, but something in the Dragon itself. The ancient red eyes changed the quality of their attention in a way that Elias recognized because he had seen it once before, in a frozen glacial valley, when a serpent two hundred meters long had made a decision about the nature of its situation.
The Dragon lowered its head.
Not submission. Nothing about the Dragon would ever register as submission. It was an acknowledgment — one sovereign to another, in the space between them that neither of them fully controlled.
[System Alert: Non-standard resolution detected.] [Dragon of Ruin — Dimensional Sovereign: Voluntary Covenant initiated.] [Covenant Terms: Non-aggression. Territorial recognition. Mutual non-interference with each party's domain of operation.] [This Covenant is unprecedented. System is logging for review.] [Achievement unlocked: The First Covenant.]
[Title Acquired: Sovereign of Two Worlds] [Effect: All Domain effects extended to the Dragon's Dimensional Territory. Living Vassal bond strength increases by 100%. Soul Dominion maximum level cap removed.]
[You have reached Level 40.] [You have reached Level 41.] [You have reached Level 42.]
The notifications kept coming. He dismissed them.
The Dragon raised its head.
[Go build your world, Monarch.]
"I intend to," Elias said.
He turned around.
The door he had entered through reformed in the dimensional space behind him — rebuilt, presumably, by the covenant's effect on the territory's structure.
He walked through it.