Standard Ores (Copper, Silver, Gold, Mystrile) →
Appears on these exact floors in the Spring Mine: All Floors.
Tip: Dig deeper for Mystrile (Floor 5+). Gold appears from Floor 3+. These are weight-heavy; only ship if you have excess stamina.
Stop wasting stamina on empty floors. Exact floors for Mythic Ore, Pink Diamonds, Cursed Tools, and more— plus the Save/Load trick to reach Floor 255 efficiently.
Tip: Each card has an anchor. You can share links like /sos-fomt/mining/#pink-diamond.
To reach floor 255 without running out of stamina, you must use the two save slots effectively. The layout of a floor is generated the moment you step onto it.
A short, non-fluff checklist to avoid wasted stamina. Use it with the floor map cards below.
Located next to the Goddess Pond. Open year-round. Contains basic ores and the ultimate Mythic Ore.
Appears on these exact floors in the Spring Mine: All Floors.
Tip: Dig deeper for Mystrile (Floor 5+). Gold appears from Floor 3+. These are weight-heavy; only ship if you have excess stamina.
Appears on these exact floors in the Spring Mine: 60, 102, 123, 152, 155, 171, 190, 202, 222, 231, 240-255.
Tip: The most valuable ore. Never ship it directly; haggle with Huang for a 40% bonus profit.
Appears on these exact floors in the Spring Mine: 100.
Tip: Hidden in the dirt on Floor 100. Don't leave the floor without digging it up!
Accessible only in Winter when the lake freezes. Contains high-value gems and Cursed Tools.
Appears on these exact floors in the Lake Mine: 29, 39, 49, 59, 69, 79.
Tip: Only found in the Winter Lake Mine. Save before hitting these floors; they are hidden in the dirt, not rocks.
Appears on these exact floors in the Lake Mine: 30, 70, 90, 110, 130, 170, 190, 210, 220, 230, 240, 250-255.
Tip: Extremely rare. Use the Save/Load trick on the exact floor to force a spawn.
Appears on these exact floors in the Lake Mine: 50, 100, 150, 200, 210, 230, 240, 250-255.
Tip: Tied with Pink Diamond for top value. Changes color from green to red under different light.
Appears on these exact floors in the Lake Mine: 0, 40, 60, 80, 120, 140, 160, 180, 255.
Tip: Found in rocks. Essential for end-game farming efficiency. Check your inventory to track which floors you've completed.