The Douluo Allied Army surged out of the fortresses and city walls, clashing with the Abyss army.
"Build a City from the Earth!"
A thunderous shout rang out. Before the Soul Engineer Legions, a wall dozens of meters high rose straight from the ground, completely sealing off the buffer zone blasted open by the Level 9 Fixed Soul Guidance Cannons.
The Heavenly City Soul Engineer Legion.
This wall was a Combination Soul Tool. Its core was a Level 9 Soul Tool forged by Shi Jingcheng himself, combined with curtain walls made from individual Level 6 Soul Tools to form a city wall stretching across the battlefield.
Atop the wall, the Heavenly City Soul Engineer Legion had already set up its Soul Cannons.
The Fire Phoenix Soul Engineer Legion, Evil Eye Soul Engineer Legion, and Thunder Soul Engineer Legion continued providing covering fire for the three close-combat Mecha Soul Engineer Legions weaving through the battlefield. The remaining two Soul Engineer Legions and the Unbreakable Soul Engineer Legion had all mounted the wall. Soul Cannons and Soul Guidance Rays poured forth, cutting off the Abyss vanguard's retreat entirely.
Meanwhile, the Unbreakable Soul Engineer Legion activated its linked Defensive Soul Tools, adding another layer of protection to the wall.
Each of the Civilization Research Institute's six Soul Engineer Legions had a different specialty.
The Civilization Soul Engineer Legion was the strongest and the most balanced. The Heavenly City Soul Engineer Legion could build a city from the earth and excelled at positional warfare. Purgatory and Thunder specialized in large-scale bombardment and assaults. Extreme Ice Angel was a cavalry force with the greatest mobility and formation-breaking power, while the Unbreakable Soul Engineer Legion excelled at defense, just like its commander, Unbreakable Douluo Zheng Zhan.
Only with the Unbreakable Soul Engineer Legion's protection was Heavenly