Was the main character invincible in The Selection of the Heavens?

Earth’s top weapon specialist’s soul crossed over to an alternate world, merged with Rebirth Martial Emperor’s memories, cultivating Nine Dragons War Sovereign Technique, sweeping through all opposition with invincible might! Able to refine medicine, capable of crafting weapons, and knows the art of inscription…. Being skilled in all professions is the way of kings!

In a land where no magic is present. A land where the strong make the rules and the weak have to obey. A land filled with alluring treasures and beauty, yet also filled with unforeseen danger. Three years ago, Xiao Yan, who had shown talents none had seen in decades, suddenly lost everything. His powers, his reputation, and his promise to his mother. What sorcery has caused him to lose all of his powers? And why has his fiancee suddenly shown up?

Chu Yang, the Ninth Master of the Nine Tribulations Sword, sacrificed almost everything he had for the sake of improving his martial arts, including the love of his life. After spending three years locating the fifth fragment of the Nine Tribulations Sword, he was ambushed by all sides at that very place. Mortally injured with no means of escape, Chu Yang executed a sacrificial technique by plunging the Nine Tribulations Sword into his very own heart. “With the blood of my heart, ten thousand tribulations will collapse!” After witnessing the death of all his ambushers, Chu Yang’s vision began to darken. At a distance, moments before his death, he saw the mastermind who had plotted his downfall — Mo Tian Ji. With that, his eyes finally closed. However, with a start, Chu Yang once again awoke to find that he had returned to when he was sixteen years of age! Furthermore, the Sword Spirit of the Nine Tribulations Sword now resided within his Dantian, the energy center of his body! From that very moment, Chu Yang would then begin to right all of his past regrets, and carve his very own legend by fulfilling his destiny as the final Master of the Nine Tribulations Sword, and defeating the Heavenly Devils beyond the realm of the Nine Heavens Continent.

Tired of the schemes and strifes of city life, Bei Feng finally returned to his hometown in the countryside. While picking asters 'neath the Eastern fence; My gaze upon the Southern mountain rests; Rearing a few chickens and ducks, I shall lead a simple and leisurely life! However, who would have thought that fate would play a huge joke on Bei Feng? All kinds of magical items and beings of the Myriad Worlds could actually be fished out of the Ancient Well in his yard! Even a chicken reeled out of the well ended up chasing Bei Feng all over the yard and beating him black and blue... speechless and aggrieved, he asked the Heavens: if, that day, I’d fished out a dragon instead of a chicken, what would’ve happened to me?!

What I want, the Heavens shall not lack! What I don’t want, had better not exist in the Heavens!” This is a story which originates between the Eighth and Ninth Mountains, the world in which the strong prey upon the weak. “My Name is Meng Hao! The Ninth Generation Demon Sealer, I shall seal the Heavens!“

On the Great Land of China, forces clashed for the sake of supremacy and Bloodline Warriors ran amok; the conflict of the strong threatened to shatter heaven and earth. A young man named Lu Li—nothing more than a humble Coffin Carrier from the Northern Desert—came along with Lu Ling, his sister. The two were regarded as puny insects and bullied, but little did people know that Lu Li had the strongest Bloodline in him of them all. He mounted the most handsome of horses and drank the strongest of wines; He bedded the most beautiful of ladies and murdered the most hated of people; He told a huge lie and carried with him an ill-reputation undeserved; He traveled all by his lonesome and danced with devils; He had given his word that he would come back, that he would be strong. And it was because of this that she was still waiting in the city—alone.