Answer:
The most famous dinner
What is it that after you take away the whole some still remains?
I cut through evil like a double edged sword and chaos flees at my approach. Balance I single-handedly upraise through battles fought with heart and mind instead of with my gaze.
My full powers come when my makers are dead. I await a heavy hat to put on my head. What am I?
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves everyday
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.