"If I told you how many times some creature has tried to digest me before.... it'd make your head spin. My natural food is nueron-star matter, and a teaspoon of the stuff... well... that stuff would destroy the entire planet, no... the entire solar system. I've inherited it's density, so I'm basically immune to any physical or chemical attack against me. Though I'm a peacefull explorer, and my kin are to childlike and naive to do anything either...."