A Samurai in King Arthur’s Court
Copyright© 2026 by Megumi Kashuahara
Chapter 10: The Letter
The letter arrived sealed in black wax, unmarked by any crest Arthur recognized, and something in its plainness troubled him more than any grand seal could have managed. He read it alone in his solar, twice, before he called for Tetsuya, and when Tetsuya arrived he found the king standing very still at the window, the letter loose in one hand as though he could not quite decide whether to hold it or let it fall.
“Mordred wishes to meet,” Arthur said, without turning. “He names a place — the old boundary stone at Ashgrove crossing, three days from now, at dusk. Each of us to bring one second, and no more. He says there is a matter of succession he wishes settled before it becomes, in his words, considerably more difficult for me to accept.”
Tetsuya took the letter and read it himself, slowly, weighing not only the words but the calm, unhurried confidence behind them — the confidence of a man who believed he no longer needed to hide what he intended, because whatever protection had once made hiding necessary was, in his own reckoning, already unraveling. “He would not send this,” Tetsuya said, “unless he believed some advantage had already tipped fully in his favor. A man does not announce his hand openly while he still fears losing the game.”
“Merlin,” Arthur said quietly, and the single word carried more dread than a longer sentence could have managed. “I have not seen him in three days. I sent word to his tower yesterday and received no answer at all.”
Tetsuya said nothing to that, though something cold and certain settled over him as he set the letter down — the deep stillness of a man who has already begun preparing, in the quiet places of his own mind, for exactly the kind of violence a threat like this would eventually demand of him. “Then we will go,” he said. “And we will go prepared for whatever advantage he believes he holds to prove considerably less useful to him than he currently imagines.”
The Night Before
Elaine came to him that final evening before the ride to Ashgrove crossing, finding him in the small armory where he had spent the better part of an hour tending the yari’s edge with a care that had less to do with necessity than with the steadying ritual of the work itself. She did not ask him to stay, though he could see the question sitting behind her eyes, unspoken out of a respect for what she already understood he had to do rather than any lack of fear for what it might cost him.
“I have watched you ride toward danger before,” she said, settling onto the bench beside him, “and told myself each time that fear serves no one, least of all the man riding into it. I find I am rather worse at believing my own counsel tonight than I have managed on any of the nights before this one.”
“This is not like the others,” he admitted, setting the whetstone aside. “Mordred and his mother are not raiders testing a border, or an assassin sent by a jealous man’s careful scheming. Whatever waits at the end of this ride, I do not yet fully know its shape, only that it is old, and patient, and has been building itself for far longer than either of us has been alive to watch it grow.”
“Then come back to me,” she said, “and let the shape of it matter rather less than the fact of your return.” She took his hand in both of hers, the whetstone forgotten between them, and held it with a grip that carried more strength than her slight frame usually let on. “I did not survive years of choosing carefully, of waiting for a man worth the risk of my own heart, only to lose him to a woman who poisons old men and a son who was never taught to be anything better than his mother’s cruelty.”
“I intend to disappoint her on that account,” he said, and found, watching the fear in her eyes soften just slightly at the dry humor of it, that even on the eve of the hardest reckoning this kingdom had yet asked of him, there was still room enough between them for the small, steadying comfort of being known this completely by someone who had chosen to stay.
Ashgrove Crossing
They rode out at dawn on the appointed day, the journey to Ashgrove crossing passing largely in a silence neither man seemed inclined to break. Tetsuya carried the yari at his back rather than sheathed at his hip, the long spear a weapon he had used sparingly since his arrival in this kingdom but had trained with since boyhood, and something in the weight of it across his shoulders felt, this morning, exactly right for whatever waited at the end of this ride.
Mordred was already there when they arrived, standing beside the old boundary stone with a single companion at his shoulder — a lord Tetsuya did not recognize, though something in the man’s bearing marked him plainly enough as another piece moved into place for this final, careless gamble. Mordred himself looked less like the shadow Arthur had described across months of careful, worried mention and more like an ordinary young man dressed for an occasion he considered already decided — no armor, no visible weapon beyond a ceremonial blade at his hip, the easy posture of someone who believed the outcome of this meeting had been settled well before either party arrived to enact it.
“Father,” Mordred said, and the word carried none of the warmth it should have, twisted instead into something closer to mockery. “I am pleased you came. It saves me the trouble of riding to Camelot’s gates myself, when the time comes.”
“Say what you came to say,” Arthur said, voice carefully level, though Tetsuya could hear the effort that leveling cost him.
“As you wish.” Mordred’s smile widened, unhurried, the smile of a man savoring a moment he had waited a long while to finally enjoy. “My mother and I will be ruling Camelot, and all of England besides, within a fortnight. I tell you this not as a threat, but as a courtesy — a chance for you to set your house in order before the ending comes, rather than be caught unprepared by it, as your own foolish trust in an old man’s counsel has left you unprepared for so very much already.”
“Merlin,” Arthur said, and this time the dread in his voice was no longer carefully hidden at all.
“Dying, even now, as we speak,” Mordred said, savoring each word with a cruelty that made Tetsuya’s grip tighten fractionally on the yari’s shaft. “My mother’s own hand mixed the poison, at Crowshollow Keep, days ago — slow enough that he has had ample time to understand exactly what is happening to him, and precisely why, before the end finally claims him. You will have no visions to guide you, Father. No charms to smooth the path of whatever plans you still believe you have time left to make. Only an old man’s slow, painful dying, and a son who has finally grown tired of waiting for a crown that should have been his from the moment of his birth.”
Arthur said nothing, his face gone pale and still in a way that told Tetsuya plainly enough how deep this blade had cut, even without a single weapon yet drawn between them. Mordred, satisfied with the wound he had delivered, turned as though the meeting had already concluded to his full satisfaction, already dismissing both men from his attention as though they were no longer worth the trouble of watching.
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