"What kind of… minerals are these?" Handy asked suspiciously. Yes, the vampire addicted to a healing substance that was applied to the skin, and who drank blood to recover from wounds, questioned the rock pony's home remedy to treat fevers. Have patience with Handy — he was slightly delirious right now after all, and thought it was reasonable to instantly question these kinds of things as if they were inherently ridiculous. He'd get better.