Arrow: 2г—15 Instant

The episode flashes back to the island (Lian Yu), showing the specific moment that turned Slade into a monster. After Shado’s death, Dr. Ivo is holding a gun, and Slade—under the influence of the serum—demands to know who was responsible.

Oliver realizes Slade knows about the events on the island, breaking the trust they once had. The Past: The Island Flashbacks Arrow: 2Г—15

Slade is different from previous villains; he is intimate with Oliver's past and family, making him far more dangerous. The episode flashes back to the island (Lian

Oliver, attempting to protect Slade from the full truth (that Sara Lance was chosen over Shado), allows Slade to believe Ivo is solely responsible. Dr. Ivo is holding a gun

This episode highlights how the serum enhanced Slade’s grief, turning it into a psychotic, unstoppable vengeance.