The trilogy explores how power, whether political or supernatural, can corrupt and transform individuals. Rin's journey from a humble orphan to a formidable shamanic warrior demonstrates the psychological toll of wielding immense power and the constant struggle between responsibility and temptation.

Through the conflict between the Nikara Empire and foreign powers, the narrative delves deep into the impacts of colonialism, cultural preservation, and the complex nature of national identity in times of war. The story examines how societies respond to external threats and internal divisions.

The series consistently questions the balance between individual morality and national necessity. Rin's decisions throughout the trilogy highlight the cruel choices war demands and the personal cost of fighting for one's homeland.