If you want to binge complete and somewhat self-contained story arcs in one go, I have put the start and end of each arc in the pre-chapter and post-chapter author notes and titles.

Arc 1: Falling Dream Chapter 1 - 9

Arc 2: Dwellers in the Woods Chapter 10 - 15

Arc 3: The Hunter Chapter 16- 27

Arc 4: The Corps and the Rocks Chapter 28 - 36

Arc 5: The Sabbatical 37 - 41

Arc 6: No More Running 42 - 52

Season 1 end.

Arc 7: Infinite Academy Initiation 53 - 63

Arc 8: Broken Bonds 63 -

Arc 9: Ring of Fire

Arc 10: Winter Wars

Arc 11: Union Heist

Arc 12: Spring Days

Arc 13: Summer Selections

Season 2 end