The army of evolved beasts has been standing still for a few minutes since their arrival. But the north wall fell due to the entity's attack, it was as though a chain reaction had started.
One of the beasts took the first step toward the steel pile of rubble that had been standing solidly as the north wall. As soon as that creature took the first step, the rest followed in a massive advance that caused an upheaval in the ground.
A giant cloud of dust rose from their position as they began advancing toward the massive opening in the defenses of New Casablanca. It was as though a veil of darkness was gradually making its way toward the city, preying to invade from the opening made by the holy being.
MechSuits rose from the pile of steel; their mind disoriented from the event that just happened, and their innards twisted from the sight of the destructed wall.