Kyo Ethnina

Kyo Ethnina (キョウ＝エスニナ) also known as the Book Hero (本の勇者) Is one of the Vassal wielders from Glass's World.

Personality
Kyo fancies himself a genius when in reality he's simply someone of below average intellect with a little knowledge from his original world. A rampant egomaniac whenever his opponents make mistakes he will repeatedly call them stupid, yet he makes use of his attacks in extremely simple and easy to see through ways. He's also a rampant pervert as shown by his openly admitting that he intended to brainwash the members of Naofumi's party and add them to his Harem of other brainwashed women.

Appearance
Kyo has white hair with a silver sheen, his eyes are described as stagnant and rotten comparing them to eyes of a dead fish. There is an air around him that dark and gloomy.

He wears a Long Coat while wearing a strange belt around his chest which are full of test tubes, he also wears leather gloves and shoes. He is described to look either like a scientist or an Alchemist.

Abilities
(information to be added later.)

Background
(information to be added later.)

Volume 7
Kyo was later discovered to be the true mastermind over the Spirit Tortoise Incident. He was also the reason for the disappearance of the 3 missing heroes Ren, Motoyasu and Itsuki. Kyo exploited the 3 heroes to gain more Spirit Tortoise Energy while in the process giving the Spirit Tortoise more power.

He discovered inside of the Spirit Tortoise at the very core. The Spirit Tortoise's core destroyed by Naofumi, Kyo retreated to his world along with the Spirit Tortoise's Energy.

Volume 8
He manage to split Naofumi and Rishia away from his Party, trapping them in an inescapable labyrinth.

Volume 9
(information to be added later)

Relationships
Legendary Heroes  Vassal Wielders Companions Others 
 * Naofumi Iwatani
 * Kizuna Kazeyama
 * Glass
 * L'Arc Berg
 * Raphtalia
 * Yomogi Emarl (former)
 * Tsugumi (former)
 * Rishia
 * Filo