Conine

Conine is a substance from the Kona Tree. This substance is necessary to cure the Tree-Rush disease. Although it was never show in the manga, it first appeared in the anime.

First Appearance: Episode 188

Trivia

 * In real life, "Conine" (also called "Coniine") is a poisonous alkaloid found in the Yellow Pitcher Plant and can be fatal to humans and livestock.