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Orbs of True Knowledge are collectibles that can be picked up by the player in the world. They are always accompanied by an Emerald Tablet, and many are also housed in Orb Rooms, which have hidden messages about the lore of the World when their basins are filled with specific contents.
When first collected, they will give the player a specific message depending on which Orb was collected and an accompanying spell, which also unlocks the spell for future runs. In all future runs, the player will instead receive a slightly different message (referring to the Orb as a Familiar Orb of True Knowledge) and an Extra Max Health pickup (+25 ♥). Shortly after an orb is collected, an eerie sound will play with an accompanying ominous screen shake effect, hinting that something more is going on as well.
When at least one orb has been collected, a counter will appear below the wand mana or potion capacity bar indicating how many orbs have been collected. This counter does not appear until the player has at obtained at least 1 orb.
Known Orbs of True Knowledge
|Emerald Tablet||Orb Icon||Spell||Location||Message|
|Thoth||Earthquake||Atop the Pyramid||Secrets of Earth's anger have been unlocked to you|
|Volume I||Sea of Lava||Within the floating island above the mine entrance in the Forest||Secrets of endless lava have been unlocked to you|
|Volume II||Tentacle||Under the Frozen Vault, which is located under the Snowy Wasteland to the left of Giant Tree||Secrets of otherworldly life have been unlocked to you|
|Volume III||Nuke||Under the Lava Lake right from entrance. Can be reached if you dig through the extremely dense rock on the west side of the shaft down to Snowy Depths with black holes or by freezing the lava and drilling through.||Secrets of utter destruction have been unlocked to you|
|Volume IV||Necromancy||At the bottom of the Sandcave below the Pyramid||Secrets of Undeath have been unlocked to you|
|Volume V||Holy Bomb||In Orb Room To the left of the Magical Temple||Secrets of fire and brimstone have been unlocked to you|
|Volume VI||Spiral Shot||To the left at the bottom of the Lukki Lair west of the Underground Jungle or the top west of The Vault||Secrets of the Spiral have been unlocked to you|
|Volume VII||Thundercloud||In Orb Room to the right of the abyss (climb very dense rock or cross the rope bridge) which is to the right of the lava lake to the right of the Mines||Secrets of the stormy skies have been unlocked to you|
|Volume VIII||Fireworks!||In the center of The Work (Hell)||Secrets of jubilation have been unlocked to you|
|Volume IX||Summon Deercoy||At the bottom of the Snow Chasm under the Snowy Wasteland||Secrets of hidden danger have been unlocked to you|
|Volume X||Cement (Spell)||At the bottom of the Wizard's Den under the Desert Chasm and east of the Temple of the Art||Secrets of rebuilding have been unlocked to you|
Orbs of Corrupted Knowledge
It is possible, but extremely unlikely, to obtain a 34th orb from a Great Treasure Chest. The only guaranteed way to obtain this currently is via a set seed. This video by FuryForged explains the details: How to obtain 34 orbs for peak Noita drip - FuryForged
- Kolmisilmä also receives additional buffs, weaknesses, and/or new abilities with each orb collected. See this spreadsheet (spoilers!) for a full breakdown.