Everyone including Zander was now shirtless and sweating as they attacked the sandbags before them.

These sandbags were specially made, and their toughness was far beyond ordinary sandbags.

Thump!

Just then, Zander punched through the sandbag before him, instantly sending sand spilling all over the floor.

"Shit! Brother Zander's so f*cking strong. I haven't hit through any of these sandbags yet, yet it's already Brother Zander's third one!"

Daniel, who was not far from Zander, shouted, his face dismayed.

Not only him, but the rest of Optimus Security Services also had the same look.

Only Knox, Khalid, Zion, and Wren seemed embarrassed.

They thought training meant constantly doing their best and attacking the sandbag before them.

However, they did not realize that everyone at Optimus Security Services planned to punch through the sandbags.

The leather of the sandbag was more than ten centimeters thick, and the weight of the sand it contained exceeded 120 kilograms.

They wonde