“Well, usually. There are spells that can destroy flesh so it cannot be mended, although of course it's a hanging offense to cast one with malice. A few plant and animal toxins damage the flesh so badly it cannot easily be saved. The doctor said it looked like a thaumic burn, though. If he's right, then Zecora's salve will work. It preserves the remaining tissue from rot, and encourages it to regrow. That takes a lot of energy, though.” She paused for thought. “When you first met with Dale, you said he ate carrion?”