The Extra Who Shouldn't Exist - Chapter 112 : Pitifully seniors

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

An orphaned boy with dreams of making it big through being a blacksmith is given a once in a lifetime chance to succeed when he's taken in by an odd pair - Eggor and Ella. While former teaches him the arts of craft, the latter teaches him the mysticism of cultivation, granting him two paths to tread in this life.

Cassian Ven Dyke, the bastard son of a powerful ducal family, grew up in the slums of Veldora under the care of his father figure, sword master Russel. When Russel passed away, Cassian was left with only a silver necklace as his inheritance. After putting it on, Cassian was attacked by three psychotic thugs who tortured him in an attempt to steal the necklace. Refusing to give in, Cassian was ultimately stabbed through the heart with the very same necklace. Instead of dying, he mysteriously vanished as the necklace lodged itself in his heart. Just before disappearing, he heard an eerie message echo in his mind:[True mana detected. Origin: Human...][Human detected. Compatibility with system: Confirmed.]

“Breaking News! A 28-year-old IT worker beats three university kids to death with a spiked bat over a dog!”Abandoned at birth, and named John Wicked, he suffered a life of solitude and harshness. His only companion was a dog named Alfred who was with him since he was 8 years old.Alas, on his 28th birthday when he was returning home from the company with a gift for Alfred, what awaited him was three university students beating his dog senseless--the reason being that Alfred barked at them.They escaped after beating him, too, but John Wicked lost his only family there as the sky broke into tears as if weeping alongside John, holding his dear companion's lifeless body.After getting revenge and being put on death row, John Wicked felt no regret for his actions, and the public also didn't support him.If the world didn't understand him, he didn't need to understand the world. He took his own life because he didn't want to die by the so-called justice of this world.But that wasn't the end. That was the beginning of John's new life after making a deal with an Eldritch God.Join John and Alfred's journey in the fantasy world where humans tame monsters and live an intricately connected life.