: By utilizing dark matter and human blood to survive, he turns innocent victims into his own personal, zombie-like blood bank.
: Cisco Ramon (played by Carlos Valdes) refuses to accept a universe where Barry dies. His aggressive desperation to save his best friend puts him at direct odds with Barry’s attempts to prepare him for leadership. [S6E4] There Will Be Blood
: Desperate to cure his fatal HCLS, Rosso abandons his Hippocratic oath entirely. : By utilizing dark matter and human blood
While Team Flash grapples with grief, Dr. Ramsey Rosso (Sendhil Ramamurthy) officially crosses the point of no return. [S6E4] There Will Be Blood
Rosso's transformation into the villain is completed in a chilling hospital sequence where not even Barry can pull him back from the dark side. 🗺️ Nash Wells and The Monitor