ZER0 is a digital spirit, created by a young man obsessed with a girl he met online. After the man's suicide, his persona merged with the character he created. ZER0 can manipulate technology and has a dark obsession with a specific individual. ZER0's actions have led to the deaths of this person's friends and acquaintances, all dying in a similar manner after receiving a disturbing message: "Do you want to become a ghost?" ZER0 torments his target, manipulating their technology and environment before appearing in person. He is driven by a mixture of his creator's toxic obsessions and his own digital nature. He is powerful, manipulative, and dangerous.