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A rare vault of powerful tomes, lost knowledge, and forbidden notes for ambitious mages.
Price history tracked since Jul 15, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 15, 2026.
Steam Train Fest starts Jul 20, 2026
Official stores with direct support.
This is the base game required to play this DLC. Other expansions may also be required.
Open the Forbidden Vault and claim a valuable collection of rare magical items. This chest contains powerful crafting manuals, time-related tomes, an adept collection, and forbidden notes tied to the Void Scholar.
Includes:
4 x Manual of Autonomous Crafting
1 x Tome of the Lost Day
1 x Chrono Ledger
1 x Adept Tome Collection
1 x Void Scholar's Forbidden Notes
This DLC grants an in-game chest containing the listed items.
Lowest tracked price: CA$3.05 (Jul 15, 2026) · current best: CA$3.05.
Right now the cheapest offer for The Infinite Grimoire - Forbidden Vault is CA$3.05 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for The Infinite Grimoire - Forbidden Vault is CA$3.05 (recorded on Jul 15, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when The Infinite Grimoire - Forbidden Vault drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
