Here is the checklist for a 100% (actually 112%) FULL completion:
Ensured charms increasing nail-slash size (like Longnail or Mark of Pride) functioned correctly while wall-sliding. hollow knight 1031 full
Additionally, "1031" appears in custom randomizer seeds. Some YouTubers use numeric codes for item randomizer challenges. If you saw a video titled "Hollow Knight 1031 Full Randomizer," the 1031 is likely a for the randomizer logic, not a version of the game. Here is the checklist for a 100% (actually