Nature was balanced; where there was yin, there was yang. But Hecate had kept the darkness beyond the Source Wall. Without an opposite, she became unstoppable.
Perhaps it was the world's own choice, or perhaps a higher existence had sought to counterbalance her. Within this Multiverse, something capable of restraining her formed on its own—not merely magic's dark side, but the dark side of all things.
That was Eclipso, a force capable of corrupting anyone.
But Hecate's own experiences made her increasingly darker, throwing the world out of balance. Yin and yang were balance; Yinyin might be the name of a panda. Thus, The Spectre appeared in the universe—that hulking guy in the green hood—and he gradually became Eclipso's chief arch-nemesis.
Hecate suffered a backlash and was forced to divide her power into six portions. She herself went dormant within the Witch's Moon, waiting for the right moment.
She waited for thousands of years, until Deathstroke plotted against her, the World Pillar affected her, and The Upside-Down Man devoured her.
Now, the witch Circe had inherited Hecate's power and authority, and with them, she had inherited this series of weaknesses as well.
Her earlier assault on Justice League Dark's headquarters had been meant to bring Eclipso under her control. But she had failed then; someone unknown had gotten there first and snatched the prize from under her nose.
The Batman Who Laughs' madmen had also arrived at just that moment, forcing Circe to retreat.
She hid in Kore and considered everything. As long as Eclipso remained, she could not rest easy.
Then she noticed the changes in the Lords of Order and Order Space. She discovered that Deathstroke had used the Black Diamond, which sealed Eclipso, to deal with the Lords of Order, sealing both sides together and letting them