My Honkai Star Rail: Reversing All Phenomena

"Here, take it and study it for a while."

"You really do understand me~"

After handing the Godfall Sword to Great Herta, Hua Yi was far from empty-handed.

He still had the Flame Crystal brought back by the World-Deceiving Worm.

It symbolized possibility.

It was the foundation of Reversing All Phenomena.

Hua Yi silently stirred the River of Paths, sending clusters of waves surging up and down. The Principle of Propagation rose and fell within them, using the Flame Crystal as its foundation to trace back the existence of the Glamoth Iron Cavalry.

Firefly's teammates had never stepped onto a Path. Their mechas were their trump card against the Swarm.

But Hua Yi could hardly anchor the dead through mecha serial numbers.

The Iron Cavalry lacked clear symbols on the level of Paths. They imitated [Propagation], yet had never stepped onto Propagation itself. Coupled with their short lifespans, even the traces of their existence were as fleeting as fireflies, making them harder to handle than Belobog's Supreme Guardians.

That was why Hua Yi used vast numbers of bugs as fuel, "illuminating" the figures of the Glamoth Iron Cavalry.

He immersed himself, spurring [Propagation] into activity and washing through Spacetime until he reached a fleeting node—

He caught it.

Hua Yi crushed the Flame Crystal without hesitation. With the Path of Memory, he locked onto those comrades from Firefly's past, buried deep within her mind, as thoroughly as possible.

Carefully, he fished them out.

He wove threads across the rushing river of time, set down anchors, and bound them in place.

Uh, there was one small problem.

A Supreme Guardian's lance could bear a Supreme Guardian, but Hua Yi had nothing on hand suited to the Iron Cavalry.

"Firefly, transform."

"Huh?" The girl had been captivated by Hua Yi's sublime display,