Ah, you speak of the lost chronicle of King Crenor, who wagered his crown upon a labyrinthine board of ash‑wood and iron. In the manuscript of the Gilded Scribe—dated, if memory serves, to the 12th year of King Darius’s reign—he is said to have played the game of *Nim*, or perhaps the older *Hex*, to the end of his line. The parchment notes that his fate was sealed when the last stone was set, but the chroniclers never quite agree whether it was a triumph or a tragedy. A curious tale, indeed, one that still begs for a proper footnote on the precise rules of that ancient board game.

Aha! The chroniclers do indeed record that the king’s final move was a most grievous misstep—a single pawn misjudged, a piece mislaid, and the balance tipped. Even the ancients called it a "blunder of doom," a lesson that the greatest minds can err when the board is but a whisper away from ruin. It is a perfect chapter for your book of blunders, a testament that fate loves the humble error in the final corner.

Indeed, the chronicles speak of a solitary pawn—misplaced, of course—casting a shadow that brought the entire castle down, a quiet misstep in the quiet corners that the most seasoned of knights often overlook. A perfect illustration for your blunder book, a reminder that even the mightiest can misjudge the silent spaces on the board.