Level 1  people who have not played the game
Kick starter game. Metroidvania.  One of the best games of the decade.

Level 2 People who have played Hollowknight once
Charm combos.  Over charming.  Multiple endings. Choices matter. Millibelle troll.

Level 3 people who have played the Hollowknight many times
You can't save Myla.  Hidden dialog with certain charms and events.  Land of storms/radiant void idol.  Esmy.  One way ability traps.  Go fast or get the cash false knight skip. Cut dialogue.  Unknown voices. Dark souls/Berserk reference. We know more about the pale king even though he is dead than we know about the White lady even though she is alive. Even the hunter does not know what the collector is. Who is mister Mushroom talking to? How did the vessels escape the abyss? What is lifeblood? True fate of the pale king? What happens to Bretta and Ogrim if they leave Hallownest? Origin and history of the snail shamans? What happened to the 5 great knights? Some NPC's know you are using the dream nail on them. Focus is an important lore word. Ascend is an important lore word 

Level 4 starting to research Team Cherry
ludum dare. Hungryknight and purple cherries. Tomb Cat. lulanda. Stencyl. Domino's Pizza. Ari is a well established artist. William and Ari did most of the voices. Family and friends did other voices 

Level 5 Team Cherry expert
Ugly Jesus vs Mummy. Return to booty grotto. William's twitter (DO NOT GOOGLE!). Unknown voice of Grimm. The shade was a spontaneous panic troll. Midwife last minute voice. Leth used D&D names for his voice lines.Carnival of crabs. Angel's egg

Level 6 Lore Sources Outside of the game

Monomon's mask is what kept Quirrel alive in the wilds beyond Hallownest.  Are Pickles canon?. Leth killed mossbag's spies.


Level 7 Silksong Speculation
Pharloom's folly. Jiji and Jinn's masters. Puppeteer theory. The voice. Bind is going to be an important lore word.

Level 8 meme lore
Primal aspid bad. Everyone is a maid or as a maid. flukemarm is canonically MILF. Mace bug is an arsonist. Lacenet. Everyone wants to marry grimm. Elder C . Brumm moment. “I am thinking, April”. Every copy of Hollowknight is personalized. No cost too great/buzz saws. R34