Although it was only twenty years, the speed at which the era's wheels moved was so fast that a large amount of space was left behind.

Twenty years ago, the canon was known as the iron wall that could not be dropped. Twenty years later, the stronghold had already collapsed and disintegrated in the midst of the war.

But right now, Lehman didn't have the time to lament over this.

After a volley of missiles, the enemy poured in through the gap. Very ...