Txisa Haavu-Solarn was an engineer of the Haavu lineage and the closest collaborator Prince Varethis'Daer Venar ever had. Their work together during the Era of Late Conquest produced the theoretical foundation and early architecture of the Recursion Surveillance System, a near-sentient global mapping platform powered by infinite recursion energy principles integrated with experimental Solarn transmission systems. She contributed to the completion of the first Recursion Bomb prototypes in western Ngorrhal and worked alongside Daer across the full breadth of his research, from Engineered biology to advanced weaponry, during the final years before the Empire's collapse.
Daer
Txisa accepted Daer before the Velcrith merge and after it. She saw no difference. This was rare, and Daer knew it was valuable. His private journals record that he recognized the attachment in her physiological indicators when they worked together and that he felt affection and gratitude toward her, but that the Velcrith resonance had altered his capacity for attachment along conventional relational axes. He could not return what she felt. He did not know how to tell her this without damaging something he could not afford to damage. They continued working.
Daer wrote privately about taking her to Jeyrha for the harvest festivals in Reykhaal, the art, the indulgence, the melodic speech patterns that made even technical discourse feel like music. He wrote that he would like to see her enjoy something that was not work, and that he would like to enjoy something that was not work. He did not have time.
The Fracture
When Emperor Varethis'Auren Kel'varesh was assassinated, Daer felt it through the Velcrith resonance before the reports arrived. He had built everything to prevent it: the surveillance system, the Destroyer-Class, years of anticipation. Auren was still dead. Daer used the system to identify every conspirator, every family, every lineage, and the Engineered eliminated them within moments. He sent Auren's wives and children to Kela under Engineered escort. He sent seven transmissions to his sister Kaelera urging her to leave the capital. She did not respond.
He did not tell Txisa he was leaving. He wrote that she would follow him and that she would die following him. He arranged for the Haavu family to take her to Jeyrha, the place he had once imagined bringing her himself. He wrote that she had a future there and that she did not have a future with him because he did not have a future. Then he left and was never found.
Permeance
Txisa did not go to Jeyrha. She founded Haavu Project Permeance, assembling a small team from within the Haavu family to carry their work forward in the field. The project continues the research they started together: weapons, propulsion, recursion energy, Engineered biology, bioengineering, and the pursuit of the uncharted continent that remains beyond the reach of everything Daer built. Daer tried to send her somewhere safe. She chose to stay in the work instead. The project is her answer to what he did, and it has outlasted everything else from that era except the surveillance system itself.