Answer:
I get paid when I drive away my customers. What am I?
I fill a room but take no space. What am I?
What can be cracked before it's used?
The 8 of us go forth and not back to protect our king from a foe's attack. What am I?
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
What made Cyclops quit teaching?