He looks her over, perhaps for any readily obvious goods that would be worthwhile to ask in exchange. Her mechanical arm gets an open sneer when his eyes fall on it. Urrgh. Robotics.

"Coin? Currency? A favour would be easiest. And goodness, honestly, woman. Here." He raises the glob of water to his lips and takes a sip of it, smacking his lips afterwards, satisfied with the taste. Perfectly normal and safe magic water! "Better?"