Answer:
This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has handsΝΎ lacks a head but has a face.
Name for zenith
It can pierce the best armor and make swords crumble with a rub, yet for all its power It can't harm a wooden club.
I'm a god. I'm a planet. I measure heat.
I cost no money to use, or conscious effort to take part of. And as far as you can see, there is nothing to me. But without me, you are dead.
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.