"Mom, what's that?"
The little girl looked up at the sky, her big watery eyes filled with curiosity.
The colossal object that had suddenly accelerated through the clouds seemed capable of easily blocking half the sky. A red glow from its passage through the atmosphere still lingered beneath the steel behemoth.
Its special coating and metal were radiating temperatures ordinary people could not endure. The air twisted slightly, creating an unreal, dreamlike illusion, like a mirage suddenly appearing in the desert.
The warship, having abruptly slowed into a steady state, moved slowly forward. Other warships of varying sizes tore through the clouds and hovered at the same altitude.
The sun could no longer shine directly upon the earth as usual. The utterly stunned adults finally came to their senses, hurriedly crouched down to scoop up the still-curious children, and ran home without looking back.
This was the fortress city of Yggdrasil in the Kingdom of Re-Estize.
People shut their doors tight. Some bolder ones opened their windows and gazed at the steel behemoths hovering high in the distance.
No one understood what those things were.
Not even the well-informed adventurers.
The army in the fortress city of Yggdrasil had assembled. The officials had even issued missions through the Adventurer's Guild, successfully mobilizing a group of adventurers.
No one knew what they were about to face.
That night, the "monsters" that descended from the steel creatures in the sky occupied Yggdrasil.
The "monsters" were humanoid and not much different in size from them, yet they wore strange armor that appeared to be made of steel.
In particular, the helmets that completely enclosed their heads and the dark curved visors that reflected light filled everyone with deep fear.
They also carried bizarre weapons. The weapons seemed to be made of steel as