Grouped by priority.
Huge carry-capacity upgrade — fifty extra books per pickup on top of every other bonus.
Extends ability pull range across whole rooms — sweeps books faster.
Top-tier speed-run gamepass — removes every ability cooldown for the rest of the run.
Cheap carry-capacity boost — five extra books per pickup, no cooldown, costs almost nothing.
Speeds up the ability unlock track — skips most of the early grind.
Cosmetic + quality-of-life bundle — chat tag, perks, no direct gameplay edge.
Shortcut around the Crimson Octagon key — same jump-height boost, paid up front.
Sprint-speed boost — duplicates what the Emerald Club key already gives for free.
Currently off-sale — used to flag misplaced books anywhere in your library.