The Double Agent of the Heavenly Demon Sect - Chapter 35

The King of Hell sentences you to death by midnight, but I can ensure that you live past morning.

The young man, Qin Lang, received the inheritance of a poison school by chance. He uses poison to kill people, uses poison to save people and he uses poison to chase beauties. With body of ancient extinct poison and a body of a martial artist, he walks around the city, and wanders around in the underworld.

- Description from Novelupdates

Struck down amid the battle, the Hero and Demon King meet their demise. As their souls linger on the edge of the afterlife, a mysterious force intervenes, merging their fragmented souls together with a new being. Rusty, the living armor, now affected by their memories and presence, embarks on his own quest. Will he seek revenge on those who betrayed the hero, or will he fulfill the desires of the fallen demon king? or instead, forge his own path?

Ha Joon Kim is a loser. No amount of luck was going to save him from that fate, he was always going to be that loser.But what happens when he dies and gets reincarnated in another world where everything seems different. Where gods and heroic spirits of all eras are in existence.Not only that, but his smartphone is with him? And it grants him skills?.[Instant learning acquired][This skill allows you to gain abilities from leaning]He knew the essence of water.[You have gained a new skill.][Water manipulation.][50 endurance points have been deducted.]....[Knowledge of the gods acquired][This skill lets you tame… tame…]Giving another chance to live life, Ha Joon decided he wasn't going to be that loser anymore, instead, he was going to help the king of Camelot, or rather, The queen of Camelot rule a successful Kingdom.From getting the goddesses to fall in love, to even making Merlin beg for his attention, he was finally getting everything he wanted from life.The traveler… the only human in the old world to tame the gods.

It was only after Su Yayan's death that she realized that she was a malicious cannon fodder female character who became a scapegoat in a Mary Sue story.