Post your findings here plz #Lazy
500 - Yama, Doom and Paul are half brothers.
400 - Bam & friends escape the hell train, Rachel & friends are captured by Cheonhee Ha, White unleashes a big attack.
300 - Bam makes deal with Kaiser to buy her freedom & set Androssi free, Elaine face reveal.
200 - Battle with hell train guardian begins.
100 - Viole pulls mind control ectoplasm out of Yeon's mouth, Horyang unleashes his ignition weapon arm,
No big reveals in centennial chapters.
Up to chapter 400 it did roughly mark the beginning and end of story arcs.