Aktu, a descendant of the nobles of the Serjin tribe, has shown extraordinary courage and wisdom since he was a child. In the bloody battle with the Dadar people, he led his tribe to fight bravely against the enemy and won the respect and trust of the grasslands. With the help of the mythical beast Golden Eagle Thunderbird, he not only ended the disputes among the tribes in the grassland, but also unified the tribes in the grassland and established a powerful grassland empire. However, there is a wider world outside the grassland waiting for him to explore. He discovered a secret about Gaitan and the monster...
