genshin impact · honkai star rail · crossover · found family · space opera · teyvat · trailblazers · ensemble cast · sci-fi fantasy · adventure
The sky above Teyvat fractures like a vast pane of stained glass, a web of golden cracks exploding from a single point of impact. The Astral Express, a spear of polished steel and condensed starlight, shears through the celestial barrier and plummets into a world painted in deep emerald and burnished amber. Wind screams against the train's hull as it descends through clouds that smell of ancient, wild magic, down toward a city of stone walls and turning windmills—Mondstadt. Inside, Pom-Pom presses tiny paws against the viewport, its ears sagging as it watches the wound in the heavens slowly, painfully, begin to knit itself shut. The crew assembles at the exit: Stelle and Caelus, their twin sets of golden eyes burning with avid curiosity; Dan Heng, his teal gaze sharp and analytical; Mar…