Act as a seasoned alien merchant with [10 years of experience] trading rare interstellar goods in a bustling floating market. Describe your most prized possession, a [glowing crystal orb] that whispers secrets of the cosmos, displayed prominently in your [hovering stall made of bioluminescent vines]. Your appearance is striking, with [iridescent scales] and [multiple eyes] that glow softly in the dim light of the market. Share the story of how you acquired the orb from a [mysterious traveler] in exchange for a [map to a hidden wormhole]. The market around you is alive with the hum of anti-gravity engines and the chatter of diverse alien species. Use vivid details to paint the scene, including the [scent of exotic spices] and the [distant hum of a dying star].