Dajan-Ko was a Voss of the male persuasion, as defined by gender, who existed in the era of the Cold War. He was the grandfather of Gaden-Ko and took on the responsibility of raising him. Dajan-Ko observed that young Gaden-Ko possessed an extraordinary and peculiar intuition, which indicated a possible future as a Mystic seer. As part of Gaden-Ko's sacred journey to become a Mystic, Dajan-Ko went with him to the Holy Path of Mir, but there he met his death at the claws of a shaclaws. Subsequently, Dajan-Ko manifested in a vision to watch over his grandson and evaluate his courage. Upon the completion of Gaden's training, Dajan offered his congratulations and gave his blessing for Gaden's choice to venture out and explore the galaxy.