Tome of Forbidden Knowledge
Tome of Forbidden Knowledge is a Mythical Wearable for Lich. We list prices from 6 markets; the lowest is $0.02 on Market Dota 2.
Prices updated · Oct 18, 2026 · delayedPrice breakdown
- Steam price $0.05
- Highest buy order $0.04
- Buy-order gap 17.5%
- 30-day volume 322
At $0.05, it costs about 93% less than the median Mythical item ($0.65).
≈ $0.03 to you after Steam fees · Fee calculator
Key facts
- Part of the Forbidden Knowledge set (5 pieces).
- On October 18, 2026, the lowest of 5 marketplace prices besides Steam was $0.02 on Market Dota 2, 59% below the Steam price.
- On October 18, 2026, the highest Steam buy order was $0.04, 18% below the Steam price.
- 30-day volume as of October 18, 2026: 322.
Description
As Ethreain's rebellious subjects bound him, they shackled his magic tome upon his back and a blinding crown upon his head to ensure he could never again read from those dark pages.
In-game item description by Valve.
Price history
Buy or sell Tome of Forbidden Knowledge
Compare all markets →Prices on 6 markets, lowest first.
Prices update daily and can change — confirm the final price on the marketplace. Some marketplace links are affiliate links.
Track this item
Alerts, holdings and your watchlist stay in this browser — no account. Alerts are checked when you open the site. See alerts, portfolio and watchlist.
Price alert
Enter a target price in US dollars ($0 or more).
Track in portfolio
Part of set
Forbidden Knowledge
Complete5 of 5 pieces
Bundle:Forbidden Knowledge
Same hero and slotInfused Tome of Forbidden KnowledgeMythical$2.27Steam priceMarketplace low: $1.71 · DMarket$2.22 more · 4572% above
More Lich cosmeticsRites of Vile ConvocationMythical$5.42Steam priceMarketplace low: $3.97 · DMarket$5.37 more · 11073% above
Same slotInscribed Piston ImpalerImmortal$2.73Steam priceMarketplace low: $2.14 · lisskins$2.68 more · 5527% above
Cheaper alternativeWings of Imperium - LegsMythical$0.04Steam priceMarketplace low: $0.01 · Waxpeer$0.01 cheaper · 21% below
Same Mythical tierVoulge of the Andestian SentinelMythical$3.11Steam priceMarketplace low: $2.29 · CS.TRADE$3.06 more · 6310% above
Higher 30-day volumeHallowed Chest of the DiretideRare$0.07Steam priceMarketplace low: $0.03 · Market Dota 2$0.02 more · 44% aboveBrowse more in the items database, the price table or the most-expensive leaderboard.