Wrath of the First Lantern and the Collapsing False Timeline

"Absorb the emotions of everyone on Earth-One?"

Shadow Hordes hesitated. "How do you plan to do that?"

"I've already recovered part of my strength," the First Lantern said. "Of course, we won't attack this universe's heroes directly. That would alert the universe to what we're trying to do, triggering all of its immune cells—in other words, the heroes' passive retaliation. We have to avoid that. Otherwise, even if we ultimately win, we'll be dragged into a time-wasting battle."

"And we have no time to waste," Shadow Hordes chimed in. He suddenly froze. Then, sharing the same thought patterns as the same person, he realized what the First Lantern was planning.

"We have to hurry because Parallax Hal might invade reality from upstream in the Over-Time Stream under Batman Dragon's arrangements!"

Shadow Hordes had never considered failure. Even if Parallax Hal failed, the fact that he had invaded downstream remained unchanged. And once that action was carried out, they could try...

"We can try ambushing Parallax Hal. The moment he escapes the restraints of the Over-Time Stream will be when he's at his weakest."

He continued, "Even if that escape won't temporarily have a massive impact on the entire multiverse, we can use it to reclaim our strength from the Over-Time Stream, and even plunder more from him—for example, the Anti-Matter energy that belongs to the Anti-Monitor."

The First Lantern raised a finger and wagged it, a mysterious look appearing on his face.

"Parallax Hal isn't Emperor Joker. If his history changes, the damage to the entire multiverse will be catastrophic."

Exactly.

If Parallax Hal from the Zero Hour era had directly left the historical position where he was supposed to remain, the major event affected most severely would have been Green Lantern: Rebirth.

The events of that major storyline could