Reclaiming the Astral Throne

Once, in the vast, swirling galaxies embedded in the farthest reaches of the cosmos, there existed an enigmatic race of celestial beings known as the Orynthians. These beings were birthed from ancient stars and held the staggering power to reinvent realities across different dimensions.
Where celestial palaces sculpted enormities of cosmic ornaments, had stood as an emblem of unyielding sovereignty, Orynthians who ruled over dwelled on the Astral Throne. The reign of King Orion was golden, and his benevolence, boundless until his brother, Obsidian grew envious of Orion's power.
Deceptive and cunning, Obsidian forged an alliance with the darkness-dwelling entities from the Null Zone, a parallel universe eternally devoid of light. Obsidian and his cohorts overthrew Orion, shattering the galaxies into discord. The Astral Throne was usurped, and the cosmos drowned in an age of darkness.
As his kingdom crumbled, Orion manifested his remaining energies into a newborn being, Rigel. Entrusting Rigel with the responsibility to reclaim the Astral Throne, Orion spread him across the multiverse where he would remain hidden and grow strong, uncorrupted by Obsidian's malice.
Rigel grew up on the distant planet of Earth, oblivious to his celestial origins. But as he grew, so did his inexplicable connection with the cosmos. His dreams filled with cosmic battles and astral palaces, haunting him, yet he didn't understand their meaning.
Spurred by curiosity, he embarked on an arduous journey across the world, seeking clarification. Among the secluded monks in the heights of the Himalayas, he found wise, ancient beings. Their deep celestial connection enabled Rigel to realize his identity and extraordinary destiny- to liberate the cosmos from Obsidian's tyranny.
Rigel spent decades training, honing his celestial essence, mastering control of the radiant energies. Armed with the shimmering Aster sword, manifesting his raw celestial powers, Rigel journeyed across dimensions, rousing suppressed rebellions, battling Obsidian's dark entities.
Years of brutal battles and countless sacrifices later, Rigel finally faced Obsidian on the Astral Throne, their energies clashing in an epic showdown that tore the dimensions apart. Empowered by Orion's love and the hope of the cosmos, Rigel defeated Obsidian, liberating the darkness-stricken Orynthians. The Null Zone entities were returned to their universe, peacefully sequestered behind a newly erected dimension barrier.
Reclaiming the Astral Throne, Rigel healed the wounded dimensions, stitching the shattered galaxies together. An era of peace and prosperity was ushered under Rigel's reign. His valiant deed, a prodigious tale of a mortal's ascension to celestial lordship made its way across the cosmos, living a legend.
Night after night, as billions of Earthlings gazed up at the starlit sky, they marvelled at the radiance of one bright star, unbeknownst to them, it shone from the Astral Throne, marking the keepsake of Rigel's courage and devotion, standing to remind the cosmos that even in the most profound darkness, there will always be a glimmer of hope.