: Raven traces a magical disturbance to a home where a "monstrous serial killer" (revealed to be Luthor’s physician, Arthur Holmwood) is draining victims' blood to empower a sinister force.
: Wielding a powerful magical staff, Mother Mayhem proves to be a formidable threat, easily matching the combined power of the Titans. [S4E2] Mother Mayhem
: Nightwing and Raven inspect Luthor's penthouse, confirming that his death was caused by dark magic. : Raven traces a magical disturbance to a