[Serious] What God's justification for eternal torment?

[HappySkeptic]

Do you think that there's no way to know...

I haven't studied epistemology that much.  Have you?
What do we know and how we know it?  
What are the different kinds of knowledge?  
What's the basis of our knowledge?  
All good questions.  
I find myself asking - If there is a way to "know" God exists, what would that be like?
Would we die and just see God with eyes and hear God talk?  
Would that be enough?  
Wouldn't there be other explanations for what I'm experiencing?  
Would I be absurd to deny my experience?  What's more absurd - that I die and God is chatting to me - and it's real / or that it's all made up in my imagination?  

There are an infinite variety of definitions for gods, so one can never disprove that there aren't some out there.

But you are talking specifically about the Christian god, not a deistic creator.  The Christian god has specific claimed attributes.  The bible makes claims as to what the god does for believers.  It makes claims about the god being in ultimate control of everything. 

The bible makes claims about the creation of the world, the fall of mankind from a world of paradise, and the imminent destruction of the world.

Many of these claims are testable.  Does this god pass the tests?  I would say, no, not at all.  Such a god is proven contradictory, morally compromised, and completely impotent.

Knowledge creates a framework for testable predictions.  Otherwise, it isn't knowledge.  You can't know a god if it doesn't do anything.  A god that supposedly does do things can and should be tested.

"I think God talked to me" is a not a test.  Your imagination talked to you.  Or perhaps it was some other magical being?  How would you know the difference? 

If the god gave us new physics that allowed us to travel to the stars, I'd admit that there exists something in your head that gives us incredible knowledge, though I wouldn't necessarily agree what it was.  But, if the "god" simply says "straighten up your life", or "I love you and forgive you", well any imaginary friend can do that.