Several centuries ago, during his very first visit to the Chamber of Truth, Robin openly revealed that he was in Mid Sector 100, doing so in the presence of two other Truth Chosen. Not long after that revelation, he discovered that certain individuals had begun trying to track him down inside Mid Sector 100 by following the traces left by the Truth Chosen themselves—
specifically by monitoring the circulation and sales of artifacts and materials associated with them,
most notably the panels crafted from treant bark.
If it had not been for the deliberate misdirection carried out by the Shadow Swords, who had already begun operating covertly across the sector,
and if it had not been for the direct protection of the Soul Society itself,
he might have been completely surrounded and captured on Planet Zaron before he even had the chance to understand what was happening around him.
That was why, in their final encounter, he swore vengeance, leaving behind the words:
