Star Furnace

Two planets in one solar system. The humans on Hengxing used physics to understand psychic energy, wrote it into equations, put it into an engine, and shot it towards the brown dwarf star 400AU away that shouldn't exist there. The cultivators on the Ruins Star use runes to call up spiritual energy and refine it into successful techniques, formations, and peak combat power with the power to reach the stars. They call the brown dwarf - the Eye of the Avenue. When the two civilizations first came into contact, a spaceship was destroyed, a sect was wiped out, and an administrator of the Sutra Pavilion dragged an extraterritorial physicist into the burning ruins...