Answer:
I am used for light yet I am solid. Without me you would feel enclosed. I hate being touched especially with a lot of force. I like to be in buildings.
With three eyes and as black as night I frequently knock down ten men with a single strike!
A dragons tooth in a mortals hand I kill I maim I divide the land.
I give people a huge fright but at the end I'm sweet. I normally celebrate at night when there's less heat.
Lighter than what I am made of. More of me is hidden than seen. What am I?
What language does a billboard speak?