He expressed through the partnership's rhythm for the next several hundred cycles.
Not in the way of someone following a practice because the practice was required, though the practice was required. In the way of someone who had found that the practice was itself producing something they genuinely wanted to participate in producing, the collaboration between the Boundary depth's expression and the outside component's response generating qualities in the space between them that were worth being present for.
The contact zone's luminous substance changed across the cycles.
Slowly. Not in the way the Middle Domain's day-night equivalent had changed, the cycle-based shift of the ambient register between cooler and warmer luminosity. The change here was cumulative rather than cyclical, the tier's character developing through the partnership's deepening in the same way that Law-matter in the Middle Domain had developed through sustained genuine engagement.
