Answer:
With sharp edged wit and pointed poise. It can settle disputes without making a noise.
What kind of cup doesn't hold water?
I'm the start of eternity and the end of space. There are two of me in heaven and one in hell.
I question what lies above, and Iβm shared with those you love. At my sound your hands will shake, and oft heard soon after wake. A card not found in a deck.
Itβs so fragile even just saying its name can break it. What is it?
Special abilities and brightly colored underwear are all you need to be one of these.