Originally posted by cdtm
PC Superman also owned a villain that had Hal's ring, said when he doesn't hold back (Implying he holds back against Hal) there's not much that can stop him, and even called the ring a "nice trinket".
Superman also commented that Hal's power was unmeasurable. And easily one of the most powerful on the JLA.
Hal protects SUPERMAN and his friends from a blast.
http://img19.photobucket.com/albums/v58/Desaad/Hal%20Jordan/Hal%20Jordan2/JLA042_20.jpg
Contains Ultra Man and shows that not even Dr. Fate alone can breach it.
Hal shields Superman from a 300 megaton detonation in a weird dimension. Superman isn't sure he can survive it.
http://img19.photobucket.com/albums/v58/Desaad/Hal%20Jordan/Hal%20Jordan2/6254e4b2.jpg
http://img19.photobucket.com/albums/v58/Desaad/Hal%20Jordan/Hal%20Jordan2/b75d772c.jpg