MTL - The Rest Of My Life Is For You - Chapter 10 Mysterious background

I want an S-Rank skill too! I want it so badly, I could die for it![You have awakened an S-Rank skill.] [But it only works when you die.]Eh !? WHAT IS THE POINT OF GETTING ONE IF I DIE !?

I, Zatiel, Abyssal Lord, Ruler of Death and Destruction, Nightmare of Dys, have AWOKEN!!!!!.

His life contains events that can shake the universe:
-Fighting against Tiamat, Creator of Evil Dragonkind, in the first circle of hell, while billions of demons and devils butcher each other beneath them
-Start a World War against the Heavenly Race, and transform himself into a Golden Sun while he slaughters their greatest warriors, the Archangel.
-Enter the Final Gate and fight against the Outer Gods.
-Tearing the nine levels of Baator during his battles against the Prince of Evil, Asmodeus.

With his memories as a ruler of the Abyss and a Universal Existence, Zatiel will rise again.

She gave up her dream of shining on the ballerina stage —for him.She sacrificed her self-respect —for him.She forgot her true identity —for him.But even after all that, she couldn’t compare to the woman who held Ryan’s heart.Arwen Quinn, heiress of prestigious Quinn family, realized too late that no matter what she did, she would never win Ryan’s love. The future that awaited her was a life trapped in endless misery of a loveless marriage.So, decisively, she ends their relationship and walks away. What she didn’t expect was that in breaking free from Ryan, she had opened the door for Aiden to enter her life — a chance that he had been waiting for.Aiden Winslow, an enigmatic CEO isn’t just mysterious —he is determined, and won’t allow to take Arwen away from him again.____Excerpt:Aiden narrowed his eyes, “Are you sure about this?”“If I wasn’t sure, I wouldn’t have asked,” Arwen replied coolly. “Stop dawdling. If you’re unwilling, I’ll find someone else who can get the marriage certificates today.”His expression darkened as he pulled her close. “Once offered to me, it’s mine alone.”Unfazed, Arwen asked, “So, do you accept? If yes, we’ll get the certificates now.”“On one condition,” he said. “I don’t do contract marriages. The woman I marry will be the woman I share my bed with. If you agree, then we’ll—”“Not a problem. Let’s go,” Arwen said without letting him finish, pulling him into the Civil Marriage Bureau.