Underground recipes, farms, and boss prep — offline on your Home Screen.
Igneous' Chest is a double-wide chest placed by Igneous the Molten Mass upon defeat, containing its loot.
Igneous' Chest is a double-wide chest placed by Igneous the Molten Mass upon defeat, containing its loot.
No crafting recipes produce this item (raw material or drop).
Not used as an ingredient in known recipes.
A free lookup for Core Keeper recipes, farm planning, and boss prep carts. Add it to your phone Home Screen — no app store.
Search an item to see how to make it and what it is used to craft. Queue seeds in the farm planner, then turn a boss checklist into a craft cart.
Item data follows Core Keeper 1.3.0.6 and is compiled from the Core Keeper Wiki under CC-BY-SA. Farm grow times and boss prep kits are curated starter lists.
Fan-made reference tool. Not affiliated with Pugstorm or Fireshine Games.
Last updated 1 November 2026.
Core Keeper Craft is a fan-made reference tool operated by Robert Anthony, doing business as corekeeperplanner.com, the data controller for this site.
Privacy requests: privacy@corekeeperplanner.com
Advertising and analytics cookies are used on the basis of consent. Security and other essential operation of the site are used on the basis of legitimate interest.
We use Google Analytics 4 with Google Consent Mode. In the EEA, the United Kingdom, and Switzerland, analytics cookies stay off until you make a choice in Google’s privacy message. GA4 data retention is 2 months.
Item pages may show one Google AdSense ad unit. Google may use cookies to serve and measure ads, including personalized ads. See How Google uses information from sites or apps that use its services.
We use Cloudflare Web Analytics. It is cookieless and does not build advertising profiles.
Google AdSense, Google Analytics, and Cloudflare.
Google and Cloudflare may process personal data in the United States. Those transfers use Standard Contractual Clauses (SCCs).
If these laws apply to you, you can ask to access, rectify, or erase your personal data, restrict or object to processing, and receive a copy in a portable format. You can withdraw consent at any time, and you can complain to a supervisory authority. Use the contact above, or the Privacy choices link in the footer.
California residents can request to know, delete, and correct personal information, and to opt out of the sale or sharing of personal information. We honor the Global Privacy Control signal. Use “Do Not Sell or Share My Personal Information” in the footer to open Google’s US privacy message.
This site is not intended for or directed at children under 13, and it does not knowingly collect personal information from them. A parent who believes a child has provided personal information can contact privacy@corekeeperplanner.com to have it deleted.