Kaen Blaze, the strongest warrior in history, found himself at the forefront of Demon invasion. However, despite his devotion and strength, he was betrayed by his own people for peace! Regressed to his 15-year self, he found himself in the past with a second chance, however, with a price to pay. Now, with his previous life's experience, he'd strive for strength to not let the future repeat itself, destroy the people who betrayed him, conquer all the empires, build a unified nation that can resist the demon invasion this time. With his secret organization, Sovereignty and his powerful subordinates, he'd grow and conquer everything in this life!
After five years, research facility, Hestia empire,
Duke Closh returned and ordered the research head: "Take me to the subjects, I would like to see them with my own eyes!"
"As you wish, My Lord!" The research head bowed before escorting the duke to a room with a huge glass. He pointed down the glass for the duke to see.
The Duke approached the surface of the glass as he looked through it. In his sight appeared multiple adults in their twenties. Some were practicing aura control and sword-fighting while some were practicing magic.
He ignored most of them as he searched for the top three subjects. He had high hopes for them.
Soon, his gaze stopped on a yellow-haired girl, she was beautiful with sharp features and had an indifferent expression. She wore a white loose shirt tucked in leather pants practicing aura-laced swordsmanship.
Duke Closh pointed at her as he asked: "What level has she reached?"