The city that had once risen from the waters, a monument to human ingenuity and resilience, was on the cusp of transformation. The movement that had begun as a ripple in the wake of the oasis's revelation had swelled into a tidal wave of change.

AquaNet, the corporation that had held the city in its grasp, found itself besieged by the very people it had sought to control. The protests that had echoed through the streets became a roar that could no longer be ignored. The demand for clean water, for the technology that could provide it, was unrelenting.

Kai, who had once navigated the city's underbelly with caution, now walked openly among the people. He had become a symbol of the resistance, a beacon of the knowledge that had been unearthed. The Aqua Rebels, once shadows, were now the architects of a new dawn.

Faced with the unyielding will of the populace, AquaNet conceded. Negotiations began, tense and fraught with the history of conflict. The corporation offered to share its desalination technology, to collaborate on a city-wide water management plan.

The city transformed, not just in its infrastructure but in its spirit. The people, empowered by their victory, took part in the planning and implementation of the new systems. The oasis technology, once a hidden marvel, was replicated in neighborhoods and districts, each becoming a node in a network of self-sustaining ecosystems.

Kai watched as the city bloomed, greenery sprouting amidst the steel and concrete. The waterways, once polluted, ran clear. The air, once heavy with despair, buzzed with the energy of hope and collaboration.

The transformation was not just physical. It was a shift in mindset, a reclamation of power by the people. The city, once divided by water, was now united by it. The legacy of the Oasis Architects, their knowledge and vision, had been the catalyst for a revolution that would ripple through generations.