Berserk of Gluttony

Glutton Berserker ~The One That Exceeds The Concept Of Levels~ (暴食のベルセルク ～俺だけレベルという概念を突破する～) also known as "Berserk of Gluttony" is a series written by  and illustrated by Fame.

Plot
Fate, who is a gatekeeper in the castle, has some troubles.

It is the feeling of hunger that constantly attacks because of the skill that he has had since birth. He thought that it was a useless skill that only made him hungry, but in reality there was a hidden power.

One day, when Fate killed a thief who snuck into the castle, he noticed it’s true power.

It is a skill that eats the soul of the subject that he kills and takes away all their powers…… And, the feeling of hunger was satisfied for the first time.

Starting with that, the man who had been treated like trash slowly raised his head. Exceeding the concept of the levels, he became a terror with his strength, and then he was called…

Light Novels
The series has been published under the GC Novels since 2017. So far, 3 volumes have been released as of September 2018.