Amber

Pre War
Amber is described as a blond-haired girl with orange eyes. She was very good friends with Fang. Amber is an expert at riding horses, but prefers not to stand out. Marus beat her with his horse, that has supernatural speed. Amber uses dark magic, as she is an Easternman.

During War
Amber, equipped with a sword that can make her invisible, acts as a spy for the rebellion and Marus' advisor, along with Jef. She cares for Marus, and hates to see him get hurt. At one point in the war, Amber visits Marus' mind and falls subject to the tempting corridors, proving that is her weakness.

Series One
Amber appears briefly when Jonny, Kurt, and Aaron visit Spritenland, along with Marus, and in the Epilogue, when Marus is sent back to Earth. She refuses to take part in the fight against the Ancient Demon King in the fifth book.