Kardiak first fought the Teen Titans when he tried to kidnap a young boy from a playground. His kipnapping failed and he was defeated by Raven, who used her power to rip him apart. Kardiak managed to rebuild himself and undertook another attempt at kidnapping a kid. This time he succeeded in kidnapping a little girl from her bedroom. Raven defeats him again by using magic she learned from Malchior and tried to consume both Kardiak and the child with the magic. Beast boy managed to interrupt the magic and saves the girl. it is unknown what happens to Kardiak after the incident.