The onslaught of skills crashing down from all directions threatened to rip through the entire frontlines. Even if the line didn't collapse entirely, it would certainly create a massive breach, and repairing it afterward would be an impossible task.
At that moment, when everyone had already sunk into despair, a light laugh suddenly rang in their ears.
"Don't panic." His voice wasn't loud, but it spread to everyone, and somehow, everyone's heart settled as if some unseen force had steadied them.
At the same time, as Luca's voice fell, an enormous black magical array suddenly appeared in the sky, large enough to cover tens of thousands of people. A black tortoise shell slowly descended, enveloping everyone within its protective barrier.
High-Level Magic Runes—Dark Tortoise Shell!