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Knowledge Gem

From Fire Emblem Wiki, your source on Fire Emblem information. By fans, for fans.
Knowledge Gem

Is ns01 gem.png
Artwork of the Knowledge Gem from Three Houses

A mysterious gem that supports skill acquisition. Increases the amount of skill experience earned.


Item (Equipment/Gem)

First game

Fire Emblem: Three Houses

The Knowledge Gem (Japanese: 知識の宝珠 Knowledge jewel) is a gem that debuted in Fire Emblem: Three Houses. It doubles the amount of skill experience gained when equipped.


Game Icon Uses Worth Effects and notes
Three Houses Is ns01 gem.png -- -- Weight: 0
Unit gains +100% skill experience and class mastery experience in battle when equipped. Does not factor in additional skill experience granted by the unit's class.


Three Houses

Treasure Tales of the Red Canyon, chest
Event Chapter 11 mission, automatically at the end of the chapter if all the Crest Stones were protected

Flavor text

Game Text
Three Houses A mysterious gem that supports skill acquisition.
Increases the amount of skill experience earned.

Etymology and other languages

Names, etymology and in other regions
Language Name Definition, etymology and notes

Knowledge Gem




Knowledge jewel


Piedra conocimiento

Knowledge Stone


Gemme savoir

Knowledge Gem


Stein des Wissens

Knowledge Stone


Gemma conoscenza

Knowledge Gem


지식의 보주

Knowledge orb

Simplified Chinese


Knowledge jewel

Traditional Chinese


Knowledge jewel


See also


Items in Fire Emblem: Three Houses
Permanent stat boosters Ailell PomegranateAmbrosiaBlack PearlEnergy DropFruit of LifeGiant ShellGoddess IconGolden AppleMiracle BeanPremium Magic HerbsRocky BurdockSacred Galewind Shoes*Sacred Floral Robe*Sacred Snowmelt Drop*Sacred Moonstone*Secret BookSeraph RobeShoes of the WindSpeed CarrotSpeedwingSpirit DustTalismanWhite Verona
Temporary stat boosters Pure WaterTorch
Healing items AntitoxinConcoctionElixirVulnerary
Class change items Abyssian Exam PassAdvanced SealBeginner SealDark SealIntermediate SealMaster Seal
Rings Accuracy RingCritical RingEvasion RingFetters of Dromi*Goddess RingMarch RingPrayer RingSpeed Ring
Shields Aegis ShieldAurora ShieldHexlock ShieldIron ShieldKadmos ShieldLampos ShieldLeather ShieldOchain ShieldSeiros ShieldSilver ShieldSteel ShieldTalisman Shield
Staves AsclepiusCaduceus StaffCirce StaffHealing StaffMagic StaffThyrsus
Gems Chalice of Beginnings*Experience GemKnowledge GemRafail Gem
Other equipment Black Eagle PendantBlue Lion BroochGolden Deer BraceletWhite Dragon Scarf
Keys Chest KeyDoor KeyMaster KeySpellbreak Key*
Shop items Bullion
Dragon Signs Aegis Dragon SignBloom Dragon SignCraft Dragon SignCrusher Dragon SignDark Dragon SignEarth Dragon SignFissure Dragon SignFlame Dragon SignGrim Dragon SignIce Dragon SignKalpa Dragon SignLight Dragon SignLightning Dragon SignShield Dragon SignSky Dragon SignSnow Dragon SignStar Dragon SignStorm Dragon SignThorn Dragon SignWater Dragon SignWind Dragon Sign
Other items Trade Secret