Mine deep underground in the Overworld, especially near deepslate layers
Check cave systems, ravines, and exposed ore veins
Use a Fortune-enchanted pickaxe to increase yield
Use a high-level mining tool or drill for faster extraction
Explore the Nether and End if your ATM10 progression unlocks alternate ore sources
Search for Unobtainium in Allthemodium-related mining areas or dimensions
Use a scanner or ore locator if available in your modpack
Follow questbook progression to unlock the correct mining dimension or recipe path
Check modpack-specific ore generation settings for exact depth and biome conditions
Break suspicious blocks and hidden ore pockets in late-game areas