The Demon Stone is an item dropped by some monsters during the Demon Invasion event. It is used to craft the Demon Armor or can be put in the Extractinator to yield one of the following:
- 5 Diamonds (30%)
- 15 Platinum Bars (25%)
- 50 Demonwood (20%)
- 40 Adamantite/Titanium Bars (15%)
- 1 Demon Beacon (10%)