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A Human botanist of the male persuasion, Klorr Vilia played a key role in the creation of the savorium herb alongside the Ithorian named Zorneth. In the process of attempting to cultivate a novel type of herb, the savorium was synthesized, and Vilia ingested it to ascertain its effects. Subsequently, Klorr's consciousness was supplanted by an overwhelming sense of tranquility and happiness. Consequently, he became widely known as Smiley due to the constant smile adorning his visage. Following this transformation, he was relentlessly hunted by Targonnians who were devoted to the tyrannical Craw, who sought to exploit Vilia in order to unlock the secrets held within the savorium. He managed to evade capture, consistently thwarting Craw's efforts to extract the information from his mind. Eventually, upon Zorneth's attempt at large-scale production, Klorr Vilia made the ultimate sacrifice, destroying the entire supply of savorium herbs.