Yarilo seconded Kriss of Valnor as head of the rebels. He struggled against Orgoff, a local tyrant who inspired terror with the weapon he had Ogotaï voléee Kriss , a kind of laser gun. When Thorgal reached the rebel encampment, Yarilo greeted with suspicion and led him to Kriss of Valnor. The second in command of the rebels and a lover of beautiful adventurers, he listened quietly to the conversation between the woman and the hero but did not intervene.
Kriss devised a plan to overthrow Orgoff. Yarilo received a risky mission: he had to believe that the tyrant were to accept his side to get into a trap. Orgoff , although suspicious, sank straight guide to the ambush by Kriss of Valnor. Yarilo narrowly escaped death the tyrant had promised him for treason and witnessed the victory of the Crossfire . After the death of Orgoff , Yarilo took his place and became the new lord of the region. He proposed marriage to Kriss, but the girl, of course, refused.