Game of Death

'Game of Death  is an artifact used by Feng.

Overview
Game of Death is a string of rosary beads with a jagged line pattern on them.

According to Feng it allows the user to place anyone they ever killed into the beads, turning them into jiangshi that can be manipulated.

History
At some point, Under (via Feng) acquired this artifact.

Trivia

 * Game of Death's name is a reference to the title of the Bruce Lee movie of the same name.