Balen (ベラン) was the teacher of Princess Keno Fasris Invern.
Given that 90% of the nation was inhabited by Rainbow Eyes it most probably Balen possessed rainbow colored eyes.
Balen appears to serve as a teacher under the royal family of the Kingdom of Inveria.
The Vampire Princess of the Lost Country Arc
- Main article: The Vampire Princess of the Lost Country Arc
Abilities and Powers
It is unknown what subject that Balen excelled though it appears the instructor was competent.
Annie referred Balen as sensei indicating respect for the person.
Balen was Keno's instructor.
- It is presumed that Balen suffered the same fate as the rest of the inhabitants of Inveria and was turned into a zombie.