What is the significance of the Parallax entity in the Green Lantern universe, according to GL Comic Zone?

According to GL Comic Zone, Parallax is a fundamental force of fear and chaos, representing the antithesis of the Green Lantern Corps' willpower. They emphasize Parallax's complex history, its connection to the emotional spectrum, and its role as a recurring antagonist and a source of internal conflict for Green Lanterns, particularly Hal Jordan.