He did not sleep after reading the sword.
Not because the reading had disturbed him in the way that disturbing things prevented sleep. Because the Middle Domain's suppression of the biological need for unconsciousness had continued operating through the night-equivalent, the realm's effect on his physiology consistent with what it had been since the Ninth Gate, and the reading's contents had not disrupted that baseline.
He simply sat with what he had received.
The instruction from the fourth layer was present in his thinking the way the Law of Slaughter had been present after the night's comprehension work in the Zhao Family guest hall, a named and organized understanding of something that had been operating without a name before. The tenth note's direction, which had carried the shape of the request without the full context of why, now carried both.
Restore the relationship between the Heavenly Dao and the Celestial Emperor's position.
Not destroy. Not submit. Restore.
