"You know very little about your prey." He sheathes his blade, "Not a very sound hunting tactic. Lucky you found me, and we have a common interest." He walks over to his workbench and picks up a vial filled with a silvery powder, "I'll help. I hope my aid convinces you that I am not a threat." He tosses the vial to Kaiakas, "Silver. You need silver. I just figured the formula out for that compound this past fortnight. It isn't silver, but a synthetic mixture that has all of the relevant properties of silver which halt the regenerative abilities of those with the were-affliction. There's enough there to coat a single weapon, or ten arrows or crossbow bolts. In giving it to you, I'm trusting you won't turn around and use it to cut me down." He grabs two potion bottles off the table and tosses them over as well, "A peace offering. One makes you larger and one makes you small."
Kaiakas now has a Vial of Silvering, Potion of Growth and Potion of Diminution