C77 Carving Formation Patterns!

Time trickled by as all eyes were fixed on Ling Yun, who was meticulously inscribing Formation Patterns.

At that moment, Ling Yun was drenched in sweat. With each additional pattern etched onto the turtle shell, his carving pace slowed.

Eventually, a thick yellow fog billowed from the turtle shell in Ling Yun's grasp, swiftly shrouding his hands from view