Xi Kang's Sand

Origin
Xi Kang (223 - 262) was a Chinese author, poet, Taoist philosopher, musician and alchemist. Also Kang was one of the Seven Sages of the Bamboo Grove who engaged in separating themselves from the dangerous political situation of the third century China in favor of devoting themselves to a life of art, leisure and peace. When Sima Zhao came into power Kang refused to work for anyone whose desires could include war. In turn Zhao had him executed however letting Kang play his swan song in his zither, Guangling san.

Effects
Calms dark artifacts

Trivia
Seen in the episode Fractures when Artie hides the Astrolabe inside of the Dark Vault