The arrow's shaft gleams with etched runes that pulse like veins of molten silver, its fletching woven from iridescent feathers that shimmer with an otherworldly sheen. Nocked and loosed, it streaks through the air, trailing faint sparks that ignite on impact, the broad head splintering stone and metal alike. Piercing a construct's core, it unleashes a cascade of fracturing echoes, shards exploding outward in a storm of pulverized gears and crystal dust.