Causing mass carnage

I was comissioned for the carnage
To make this world unbearable
All Authority belongs to me,
Let your god show itself
Escaping from me is not a solution
You are just humans,
You can't withstand me
I'll embrace your bodies with fire
Your life is as thin as paper,
It will burn and reduces to ashes,
I'll watch your forsaken flesh
As it rips away from your bones
Your screams as you burn and your suffering
Will make you live a life of hell in this world
Until your organs are reduces to ashes
Until your bones are turned to dust
In the end, your burned flesh will smell
And I will be satisfied by this
All of your good deeds are
Causing mass carnage