Were there any novels in which the main character sacrificed himself to protect the dragon tomb, then obtained the recognition of the dragon race, was reborn, and obtained the blood essence of the Ancestral Dragon?

Tan Qianqiu was a heroic teacher who sacrificed himself to protect four students in the earthquake. When the earthquake occurred, he immediately hid the students who could not escape the classroom under the desks and used his body to protect them. The classroom had completely collapsed under the weight of the bricks and concrete slabs, and Tan Qianqiu had sacrificed himself in the process of protecting the students. His deeds had touched the entire China, and it was written in textbooks and reported by the media. His daughter, Tan Junzi, had also received attention because of this. Tan Qianqiu's selfless dedication and spirit of sacrifice would forever be remembered by the people.

Tan Qianqiu was a heroic teacher who sacrificed himself to protect four students in the earthquake. When the earthquake occurred, he immediately hid the students who could not escape the classroom under the desks and used his body to protect them. The classroom had completely collapsed under the weight of the bricks and concrete slabs, and Tan Qianqiu had sacrificed himself in the process of protecting the students. His body was found after the rescuers removed the last concrete slab. His arms were spread out and he was lying on the desk tightly, curling up with the four surviving students. Tan Qianqiu used his own life to support the students, demonstrating his noble ethics as a teacher. His heroic deeds touched the people. His family and the local government held a grand welcoming ceremony and donated money to his widow and orphans. Tan Qianqiu's sacrifice would forever be remembered.

If you like animes that are similar to the protagonist's outburst, I recommend you to watch " The Strongest Animation System " and " The Best Animation System ". Both are urban supernatural novels. The protagonist can obtain various skills and abilities from the animation through the system. He will also go berserk or sacrifice himself to protect the female protagonist. I hope you like my recommendation.😗

A young princess could be the main character. She is often seen as a symbol of purity and royalty. The kingdom might be in a dire situation due to the dragon's attacks, so they offer her as a sacrifice. She then has to use her wits and any hidden powers she may have to deal with the dragon, perhaps even trying to change the dragon's nature.

I recommend the following novels to you: 1. "A Special Forces career from the beginning": The male protagonist was a person who dreamed of becoming a special forces soldier in his previous life. He continued this profession after transmigrating, but trouble always came to his door. 2. "Defiant Magical Pet: Snatching a Husband is a Twenty-first Century cold-blooded killer. After transmigrating, he became a mysterious figure dressed in white, but he still couldn't avoid trouble. I hope you like this fairy's recommendation. Muah ~😗

"Ocean Blue Night" is a reality-world novel. Although it's not quite the same as the plot described in the question, I suggest you try reading it. You might like it. I hope you like my recommendation. Muah ~😗

Minami's savior was Uchiha Weitake, not anyone else. I recommend a similar novel," Samsara Travelers of the Akatsuki Organization." This novel was about the adventures of a Samsara traveler in the Naruto world and the Akatsuki organization. If you like elements like the Akatsuki organization and the eye of reincarnation, you can read this novel. I hope you like my recommendation.😗

In the TV series " When the Remarriage is in Progress," Wang Jian's sacrifice happened in episode 24. Wang Jian was unfortunately killed in the line of duty when chasing the car that caused the accident. He left his last words to Shen Xin, saying that he didn't have to pay back the money. When Shen Xin received the call and rushed to the hospital, it was already too late. She realized that she had missed a person who loved her deeply and felt unacceptable and sad. Wang Jian's sacrifice caused Shen Xin to experience a series of setbacks, including stomach cancer and recovery. In the end, she accepted Guan Yunshan's proposal and the two became husband and wife.

Wang Renxian was a hero who sacrificed his life for the safety of the country. He showed extraordinary courage and dedication in the War to Resist the United States and Korea and the Vietnam War. On the battlefield of the War to Resist the United States and aid Korea, he drove his car through the rain of bullets, making outstanding contributions to ensuring the supply of materials and transporting the wounded on the front line, and was awarded first-class merit. During the Vietnam War, he participated in the battle as a deputy company commander, fighting for the survival of the country and the people. Although he eventually died on the battlefield, his bravery and sacrifice will forever shine in our memories. Wang Renxian's story was a model of contemporary heroism. His sacrifice was to protect the country's security and national dignity.

Chen Pingping had sacrificed himself for Fan Xian. Chen Pingping was Fan Xian's father and teacher. He was full of confidence in Fan Xian and believed that Fan Xian could understand his intentions. In order to let Fan Xian control his own fate, Chen Pingping had taken a risky action and was willing to cooperate and protect Fan Xian. He had carried out a series of plans behind Fan Xian's back and even allowed Shi Family Town to be massacred. Chen Pingping's goal was to let the Qing Emperor make new choices and arrangements, influence the Qing Emperor's decisions, and pave the way for Fan Xian. In the end, in order to pursue the truth of Ye Qingmei's death, Chen Pingping chose to return to Jingdou and be dismembered by the Qing Emperor. His act of sacrificing himself was to protect Fan Xian and pursue justice.