Apocalypse: I Can See the HP Bar, Killing Monsters Drops Loot - Chapter 208 - 121 Synthetic 6 Epic Crystal Cores_2

Kael Veyne was betrayed, hunted, and left for dead in the depths of the Abyssal Dungeon.As an infamous assassin, he was the empire’s deadliest shadow—until the day his guild turned on him.Ambushed in the Abyssal Dungeon, his body was torn apart, and his soul was consumed by the abyss. But death was not the end.He reincarnates 25,000 years later with the Devouring Bloodline System. Kael awakens in the body of a noble scion sharing a similar name to him, and his very essence fused with eldritch power.With every kill, he absorbs primal energy, evolving into something far beyond human. Monsters, mages, mancers, knights, assassins—nothing is beyond his reach.

After losing his parents to the apocalypse, Silas only wished for one thing. To awaken a powerful mutant ability and purge the earth of any iniquities. However, his dream was shattered when he failed to awaken any mutant ability on the day of the awakening. He was bullied by his peers. However, when all hopes were lost, Silas awakens a system. [Silas Griswold has met all requirements to become a host] [System binding... ] [To complete binding host needs to complete three quests] [Congratulations, you have completed all quests ] [System binded successfully] [Your evolution will now begin!]

With a marriage contract forcefully done, he married her, and all she could do was comply, and resent him deeply for that and for all the following misunderstandings they faced.
However, it was already too late when she understood she actually loved him.

Cayena, the Imperial Princess, was known as the most beautiful woman in the Empire. She was a woman who knew nothing but evil and luxury.

However, she was destined for ruin: she would be used as a chess piece by her younger brother to secure his throne and killed by her crazy husband.

“I’ll make you the Emperor.”

“… Sister, are you referring to me?”

“In exchange, give me freedom.”

She had to change things before she became that Cayena.