Hal Jordan's enemies: Parallax (Major story arcs)

Emerald Twilight

After Coast City was destroyed by Mongul and Cyborg Superman, Hal Jordan broke the Green Lantern code and used his power ring for personal gain. After being told he would be put on trial for this by a Guardian's transmission, he than gives into his fears and rage and attacks and destroys the Central Power Battery on Oa and Green Lantern Corps out of the destruction he emerged possessed by the Fear entity Parallax.