MTL - One Useless Rebirth - Chapter 18 what happened?

The Grand Sovereign, Kang Chul-In. The man who was so strong that he had to be defeated. Having lost, he must now go back in time to take up the challenge of becoming supreme in the Continent of Pangaea. Will Kang Chul-In be able to overcome the 9 other Grand Sovereigns in order to grasp the Continent of Pangaea within his hands?

One day, I woke up only find out that I’d become a Demon Lord, an individual responsible for protecting a dungeon. The world I’d been spirited away to was one filled with violence. Gigantic monsters wandered through it and competed with each other each and every day for the right to survive. I had no choice but to strengthen my dungeon’s defenses in hopes of living another day—or at least that was what I’d thought. For some odd reason, I instead ended up spending my days in relaxation and bliss.

“Stripped of his power, betrayed by those he trusted, and abandoned by fate itself, the young master of the Celestial Clan faces a choice: cling to the tattered remnants of his righteous path or to embrace the darkness blooming within. When a catastrophic fall strips him of everything, he, along with his fiancée by his side, abandons the righteous path. Witness the birth of an anti-protagonist couple, as they forge contracts with ancient, terrifying beasts and carve a new destiny from the bones of their enemies.”In the heart of the Azure Star Continent lies the legendary Celestial Clan, rulers of an unbroken legacy of power, wealth, and influence. At its helm stands Xian Tianyang, a prodigy born with unparalleled talent and destined to inherit the mantle of leadership. Calm, calculating, and relentless, Tianyang has forged a reputation as an unshakable force, a young master whose genius is rivaled only by his ambition.But the path to supremacy is fraught with danger. In a continent where alliances shift like desert sands and rival factions sharpen their blades, Tianyang must navigate a world of intrigue and betrayal. When his childhood fiancée, Lin Yuqing, the “Blooming Empress” of the Eternal Bloom Clan, enters his life, their union threatens to spark both alliances and rivalries that could reshape the continent.With ancient secrets lurking in the shadows, enemies plotting from every corner, and the weight of his family’s legacy on his shoulders, Tianyang must prove that he is more than just a prodigy—he is the heir to the Celestial Throne.Will their fates intertwine as destined rulers, or will the fires of ambition and duty tear them apart? Prepare for a tale of genius, power, and forbidden emotions, where every choice has the power to change the fate of nations.

Su Ci was forced to marry the dying Second Master Shen, and the entire S City awaited her tragic fate. However, half a year later, Su Ci cured Second Master Shen and was adored by the Shen family. She is a personal disciple of a miraculous doctor, a top hacker, a racer, and the founder of a globally popular cosmeceutical brand. International conglomerate CEO Xiao Yizhou, genius director Lu Mingchen, and e-sports god anti all declared: “Su Ci is our dearest junior sister!”The man, rumored to be cold and violent, cornered Su Ci against the wall, gritting his teeth: “How many more identities do I not know about?” Su Ci smiled warmly and kissed the man's lips, “Just one last one, Mrs. Shen.”