Against a backdrop of icy blue darkness, a lone steampunk diver plummets into the frigid waters, their majestic Victorian-era diving suit glistening with condensation as they descend. The rope tied to the ship above stretches taut, a lifeline to the world above. In the distance, giant pillars of an ancient city rise like sentinels from the seafloor, their weathered stone façades adorned with ocras and schools of fish darting through the ruins.