The book will leave you feeling content, at ease, peaceful. The ending wraps everything up. There are sub plots like Taran becoming a man, Eilonwi being captured by the evil Achren, Dyrnwyn teh Anchient sword being captured and the Black Cauldron being lost by Arawn and saught after by aran and the others. If you love fantasy you'll love this. The focus of story on people and the psychology of characters.
Characterization focuses on several characters of different sexes whose lives are intertwined.
The characters are developed over time. There are series characters, followed through and developed over several related novels. There are memorable and important secondary characters. A young boy learning that he was born to save and destroy the world. and having no alternitive but to do the best he can to stop evil. The book is very long.