Longevity Begins with Marrying a Wife - Chapter 678: door to source

Beings that create and control monsters and demons, beings that build and reign over malicious labyrinths, the chosen individuals to possess an overwhelming Unique Skill… They are the Demon Lords.

This is a story of a man named Kim Sae-Jin, who one day, inexplicably wakes up as a Monster. Follow him and his perilous journey to get his life back as a Human, all the while growing even more versatile as a Monster in the process. This should be… complicated, somewhat.

In the cruel world of Ranas, normal people are considered nothing more than trash. Blaze is also one of those trash. He and his mother has been treated like animals by his loser 'superhero' stepfather. But then everything changes when the SYSTEM gives Blaze a mission to kill him in exchange for superpower.Blaze does not hesitate.[Force Strike (E-rank) acquired][Force Strike has evolved into Force Impact (D-rank)][Force Impact (D-rank) has evolved...][Genesis Legion (S-rank) acquired][Genesis Legion (S-rank) has three Sub Powers...][You have acquired a new Equipment: Lantern of the Damned (Rare),...]The abusing stepfather who terrorizes his family.The bullies who made his life hell and sent him to the hospital, expelling him from the school.The despicable human-trafficking criminals who dares to kidnapp his friend.More and more people who do not deserve to live in Blaze's eyes.“I will kill them. I will kill them all.”But once Blaze has acquired more power. He now has the responsibility to decide what he should do with it.This world may be cruel and unfair but he shall be fair.Cruelty shall meet a cruel end.And the people who deserve to have a second chance shall receive forgiveness from Blaze.He is now the vengeful spirit in the night, rain down judgement on the corrupted that does not deserve their superhero title.