Hard. Very hard. Her opponent's body had far greater strength, and far more mass, than a normal human ought to. Luckily, with his hand devoted to the whip arm, he could summon no other weapons to punish her with.

Still, she'd had worse.

Her opponent, clearly believing he'd dealt with this girl out of hand, didn't follow up the blow as the punch sent her hurtling out of his grip and back towards the tunnel.