What kind of character is really well described but does not change ?

An Static character

Explanation:

Static characters are characters whose personality, traits, perception, outlook, motivation, and habits do not change much, or nothing at all, through the curse of the story; nevertheless, these characters are often well described because they tend to have an interesting personality that attracts people's interest, and can also be the protagonist or one of the main characters. One example of a static character is Atticus Finch in the novel To Kill a Mockingbird by Harper Lee. In the story, Atticus is one of the main characters, he's a lawyer and father of two children whose strong sense of morality and justice remains the same regardless of the story's events.

(d) alice notices that the glass is melting away. because that aint real

the answer is: round.

in literature, round characters are considerably complex and experience or are subjected to unpleasant situations. as a consequence, they go through crucial sentimental and psychological development, which can cause surprise in the readers. in this case, juan's dramatic transformation is related to the adversities he meets at school.