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

During breakfast, Annie Fasris Invern informed her husband that Balen would instruct Keno in her lessons after she finished her magic training.[1]

Abilities and Powers

It is unknown what subject that Balen excelled though it appears the instructor was competent.


Annie Fasris Invern

Annie referred Balen as sensei indicating respect for the person.

Keno Fasris Invern

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.


  1. Overlord Bonus Volume Chapter 1: Encounter In The Lost Country
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