Answer:
This is a plant named after a light source. What is it?
What never asks questions but receives a lot of answers?
Power enough to smash ships and crush roofs. Yet it still must fear the sun.
I'm the source of all emotion, but I'm caged in a white prison.
He died for people's entertainment.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.