Answer:
It limits the readers knowledge of other characters.
Explanation:
As opposed to third person omniscient, which consists of an "all-knowing" narrator, third-person-limited point of view only allows the reader to know what the main character is doing. The main character's thoughts may be mentioned, but the reader is not privy to the other character's thoughts, or even their actions when they are not with the main character.
The people will have journeyed to the center of the earth. I think this because it is the title. This is fantasy because the center of the earth is too hot to travel to. The people will probably get burnt next.
Eye of Heaven. This is a metaphor that refers to the sun. The phrase "too hot the eye of heaven shines" means the heat of the sun is too much. The symbolism is relative to the sun being round with rays that look like an eye and heaven refers to something in the sky that you look up to.
he says to write about a man's compassion and sacrifice