The Zebran Laughing Dart poison was collected from the Poison Joke plant, and once exposed, it would lead to uncontrollable paralysis and laughing. The duration of the symptoms varied, unfortunately, magically sensitive ponies were often the hardest hit by it. Without a partner, the prognosis didn’t look good, but if he could just find a way to warm her up, her raised body heat would naturally break down the compound and she’d recover. The fever was a sign that her body was already trying to fight it.