Break Green Lantern Rings free of the Yellow Prison Constructs created by the Sinestro Corps.
- "Sinestro's getting desperate. His Corps are capturing Green Lantern rings and holding them in Yellow Prison Constructs to weaken the Green Lantern Corps. Free the rings; even if the Corps can't use them, at least we'll get them out of Sinestro's hands." — Superman
- Get to the Battlefield Near City Hall
- Engage and Defeat Sinestro Corps Members (0/20)
- Free the Power Rings Held in the Yellow Prison Constructs (0/10)
- "Whoo boy. I'm tracking a huge yellow light construct at City Hall. It looks like - a giant Fear Generator! I'm alerting John Stewart, he'll meet you inside with the Corps!" — Oracle