Look in comments

There was simply a flash of light and Mr void was gone.

He was thought to be dead at the time but then he showed up in a roleplay a couple days later

That's when it was confirmed that void can't die

"Death is a luxury I will never experience"

And in his original post it was said that he is feared by gods

So going back to the fight

Jeff

Fought a being

Who is SO POWERFUL that gods fear him

And survived

So exactly how powerful is Jeff?

More power full than Mr void obviously

But he's the literal embodiment of destruction

Yes and he is more powerful than that, he beat Mr void meaning Mr void may not be able to die but was injured or scared enough to run so Jeff by comparison is more powerful than Mr void who as he said is greater than gods themselves so Jeff is beyond mortal comprehension.

Well what void means when he says he can't die is that every time he dies a new body appears for him

So even then he is extremely durable so if Jeff was able to kill him that fast he is still very powerful

Yeah so Jeff is very powerful wish I had an oc that powerful who was canon

that happened?

Yes