Who stands between the innocents and the shadows? In a different world, humanity crossed a line with dark matter. This unleashed an evil onto the Elseworlds universe. One man has returned into the light to fend these beings off. Even if the price might be his life. 

What is “Arcadia”? It is something that brings together three of DC’s most infamous vigilantes. Bruce Wayne. Oliver Queen. Vic Sage. Each have their own unique way to fight crime.

The road to Hell has led to this moment. When Waylon Jones went missing, Batman started an investigation. What he discovered was pure terror. Ark-M had changed his friend into a crocodile-like creature.

How the student has truly become the teacher. Dick Grayson had taken a young kid with immense power under his wing. The learning curve has been difficult, esp. when the sidekick possesses Kryptonian strength.