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A muscular bodybuilder shows off his rock-hard abs as a determined puncher goes all-in trying to break through his steel-like core. For the first 7 minutes, the punchee is completely unfazed — flexing, taunting, and laughing off every blow with pure confidence. But slowly, the relentless fists begin to take their toll: punches start sinking in deeper and deeper as the abs gradually give way. In a dramatic finale, the puncher attempts to fully bury his fist into the softening gut — but the bodybuilder summons one last surge of strength, flexing hard and slowly pushing the fist back out. His abs hold the line. He stands tall, flexes victoriously, while the exhausted puncher can barely lift his arms. A must-watch battle of muscle vs. determination — and muscle wins.
