Raph was no fool, those bandits would've attacked with reckless abandon even if he'd tried to talk to them and so he'd used his full strength to drive them back. This woman was different however, she was studied in magic which meant that she understands how precious energy is. She made him an offer he had no right to accept and so he decided to counter, "These are my clients, the people not the goods. I can't just let you walk off with them, I also doubt I'll be paid very well unless they keep all of their supplies so how does this sound? You join our caravan until we reach our destination and any bandits we encounter we'll tie in a line to the back cart and you can take them when we finish our business?"
Raph didn't enjoy the idea of forcing people into slavery, however he realized it was the only way to prevent further damage to the caravan. He had no clue who this woman was but he understood that she was dangerous. All that mattered to him at the moment was ensuring the safety of his clients. "I doubt you'll go into the city, so we'll hand over the bandits when we're outside of town. Does that sound satisfying?" Raph understood that there was no sense in asking if it were fair so he picked his words carefully.