The main line of the Honkai Impact Railway game is to search for star cores on various planets to resolve crises. In the main storyline, the star core of the first planet that players go to is hidden in the reverberation corridor. Let’s take a look at the Honkai Impact Corridor. Sharing the core location of the Bad Star Dome Railroad Reverberation Corridor.
We will encounter the afterimages of "Cokolia" and "Bronya" at the place where we will go, which means that the two of them have already gone to the location of the "Star Core" before us.
After solving the four-lock puzzle and then destroying all the enemies blocking the road, we will find the "Kokolia Star Core Control Remnant" at the end of the road. This enemy is relatively easy to deal with, at least it only has one tube of health.
After defeating this enemy, this place is almost explored, so the distribution of "treasure chests" and "books" in "Reverberation Corridor" is as follows: