Mertellus was a kind of poison that was ordered and used for killing animals with incurable diseases. Especially it was a red liquid gel which cannot be detected to the human blood. It included very fat lipids and when it comes at the heart, it blocks the arteries. Also it included strong kind of anabolic energy. Although when the arteries were all blocked, the living organism dies by heart attack. According to the tradition Bovedar died from heart attack when he drank from a drink that contained this poison.