My whole family was brutally murdered? I awakened the thug system and went on a killing spree.

He was a law-abiding, model student, but he was framed by powerful figures, his family was destroyed, and he became a death row inmate.
On the verge of death, the [Thug System] is activated; you can become stronger by killing!
"Don't want to die? Then let this world feel pain!"
Host Status: Near Death → [Allocate all points to Constitution!] → Constitution: 10.8 (Normal person 1.0)
Acquired Trait: [Copper Skin] Impervious to ordinary iron, able to withstand nuclear bombs with bare hands!
A jailer grins maliciously, holding an electric baton? He flips his hand and crushes the head. [Violence Value +100]
The warden unleashes his fire powers? (Borrowing a light to light a cigarette) [Violence Value +1000]
A third-tier martial artist unleashing internal energy? Tearing apart living people for specimens, [Violence Value +3000]
From then on, Qin Meng stopped practicing martial arts and developing superpowers, and only believed in absolute power!
"I don't care if you're a superhuman or a martial artist, one punch from me and you're dead!"
Seeing the screen filled with red "Violence Value +99999", Qin Meng smiled:
"The Zhao family? The Patrol and Inspection Division? Don't worry, we'll send you on your way!"