⛏️ Mining Guide
Stardew Valley Mining Guide
The Mines contain 120 floors of monsters, ores, and treasure. This guide covers everything from your first copper ore to deep Skull Cavern dives for iridium.
Mines 1-120 Floor Progression
Section 1: Floors 1-20 (The Dirt Floors)
| Floor Range | Theme | Ores | Monsters | Special Drops |
|---|---|---|---|---|
| 1-10 | Brown dirt | Copper | Bats, Grubs, Cave Flies | Quartz, Earth Crystal |
| 11-20 | Brown dirt | Copper (more nodes) | Bats, Grubs, Cave Flies | First elevator floor (5) |
| Elevator floors | 5, 10, 15, 20 | — | — | Saves your progress |
Goal: Mine every copper node. Collect stone for staircases. Reach Floor 20 for the elevator.
Combat tip: Craft a Wooden Blade (from the Adventurer's Guild) or use the Rusty Sword. Kill 10 Bats → Adventurer's Guild quest unlocks.
Section 2: Floors 21-40 (The Ice Floors)
| Floor Range | Theme | Ores | Monsters | Special Drops |
|---|---|---|---|---|
| 21-30 | Ice/Snow | Iron, Frozen Geodes | Dust Sprites, Frost Jellies, Bats | Frozen Tear, Iron Ore |
| 31-40 | Ice/Snow | Iron, Frozen Geodes | Dust Sprites, Frost Jellies | Elevator at 30, 40 |
Goal: Mine iron ore. Kill 50 Dust Sprites (Lv32-39 are best) → Burglar's Ring reward.
Combat tip: Dust Sprites drop coal (essential for smelting). Kill as many as possible. Use a Steel Sword (5 Iron + 20 Stone, after reaching Floor 30).
Section 3: Floors 41-80 (The Frozen/Warm Transition)
| Floor Range | Theme | Ores | Monsters | Special Drops |
|---|---|---|---|---|
| 41-50 | Frozen | Iron, Gold (rare) | Ghosts, Skeletons, Bats | Ghostfish |
| 51-60 | Frozen/Water | Gold (common) | Ghosts, Skeletons, Magma Sparkers | Elevator at 50, 60 |
| 61-70 | Warm/Water | Gold | Magma Sparkers, Bats | Fire Quartz |
| 71-80 | Lava | Gold, Omni Geodes | Magma Sparkers, Shadow Brutes | Elevator at 70, 80 |
Goal: Gather gold ore for Quality Sprinklers. Ghosts drop cloth (sewing machine material).
Combat tip: Enemies get harder here. Upgrade to a Gold Sword by Floor 60. Use the Savage Ring (+1 speed on kill) if available.
Section 4: Floors 81-120 (The Lava Floors)
| Floor Range | Theme | Ores | Monsters | Special Drops |
|---|---|---|---|---|
| 81-90 | Lava | Gold, Iridium (rare), Omni Geodes | Shadow Brutes, Shadow Shamans, Magma Sparkers | Elevator at 90 |
| 91-110 | Lava | Gold, Iridium, Omni Geodes | Shadow Brutes, Shadow Shamans, Serpents | Iridium is farmable here |
| 111-120 | Dark/Lava | Gold, Iridium, Omni Geodes | Serpents, Shadow Brutes | Floor 100 → Skull Key, Floor 120 → Stardrop |
Key rewards: - Floor 100: Skull Key (unlocks Skull Cavern in the Desert) - Floor 120: Stardrop (+34 max energy, permanent)
Skull Cavern Strategy
Skull Cavern is the endgame mining area in the Calico Desert. It has no elevator — you must descend by finding ladders or crafting staircases.
Preparation Checklist
| Item | Quantity | Why |
|---|---|---|
| Mega Bombs | 50+ | Clear stone clusters instantly, find shafts faster |
| Salads / Cheese | 50+ | Best healing-per-slot ratio (salad = 113 HP, cheese = 101) |
| Triple Shot Espresso / Coffee | 10+ | +1 speed bonus, stacks with food |
| Staircases | 10-100 | Skip infested floors, spiral floors |
| Desert Warp Totem | 1 | Arrive at 6am instead of 10am (bus) |
| Farm Warp Totem | 1 | Stay until 1:50am |
| Desert Sword / Galaxy Sword | 1 | Minimum damage 60+ |
| Iridium Band (ring) | 1-2 | +10% ATK, magnetism, light |
Step-by-Step Skull Cavern Dive
- Check TV fortune: Only go on lucky or very lucky days (higher shaft spawn rate)
- Warp at 6am: Use Desert Warp Totem for maximum time
- Bomb clusters: Don't mine individual rocks — bomb 3+ rock groups
- Prioritize shafts: Shafts (hole in the ground) skip 3-15 floors. Always choose shafts over ladders.
- Ignore everything but Iridium: Don't stop for gold, gems, or coal. Only pick up Iridium, Prismatic Shards, and Auto-Petter (treasure room)
- Staircase on bad floors: Infested floors and spiral floors waste time. Place a staircase and descend immediately
- Leave before 1:50am: You pass out at 2am and lose 1,000g
Iridium Comparison
| Location | Iridium Per Hour | Efficiency |
|---|---|---|
| Normal Mines (Floors 110-120) | 0-5 ore | Low |
| Skull Cavern (Floors 1-50) | 10-30 ore | Medium |
| Skull Cavern (Floors 50-100+) | 50-100 ore | Excellent |
| Skull Cavern (Floor 200+, staircases) | 100-200 ore | Best |
Geodes and the Blacksmith
Geode Types and Contents
| Geode | Cost to Crack | Best Drops | Source |
|---|---|---|---|
| Regular Geode | 25g | Copper, Stone, Clay, early artifacts | Mines Floors 1-39 |
| Frozen Geode | 25g | Iron, Frozen Tear, Aquamarine | Mines Floors 40-79 |
| Magma Geode | 25g | Gold, Fire Quartz, Topaz, Rubies | Mines Floors 80-120 |
| Omni Geode | 25g | Everything — Prismatic Shard (0.4%), Diamonds | Any mine floor, Skull Cavern |
Geode cracking strategy: Save geodes until you can crack 50+ at once. The artifact drop rate is seeded — use the "open 1, check artifact, re-open if you don't get it" trick. Omni Geodes have a 0.4% chance for Prismatic Shard.
Adventurer's Guild Monster Hunter Rewards
| Monster | Kills Needed | Reward | Effect |
|---|---|---|---|
| Slimes | 10 | Slime Charmer Ring | Take no damage from slimes |
| Bats | 150 | Vampire Ring | +2 HP per monster kill |
| Dust Sprites | 50 | Burglar's Ring | Double monster loot drops |
| Rock Crabs | 60 | Crabshell Ring | +5 Defense |
| Void Spirits (Shamans) | 80 | Savage Ring | +1 speed for 2 seconds after kill |
| Magma Sparkers | 30 | Napalm Ring | Enemies explode on kill |
| Serpents | 250 | Phoenix Ring | 1 HP/sec when HP is low |
Priority order: Burglar's Ring (Lv50 Dust Sprites) → Slime Charmer Ring → Napalm Ring (great for Skull Cavern).
Pro Mining Tips
- Elevator skip trick: If you need a specific floor (e.g., 40 for Dust Sprites), use the elevator to nearby floor and exit/re-enter to reset the floor layout.
- Staircase economy: Craft staircases from stone (99 stone = 1 staircase). Mine Floors 40-50 give the most stone per trip.
- Day 1 mine rush: Start mining on Day 5. Reach Floor 40 by end of week 1 (copper → iron → better tools). Reach Floor 80 by end of first month.
- Monster loot stacking: Burglar's Ring + Napalm Ring + Monster Musk (from Krobus) = maximum loot per Skull Cavern run.
- Luck food: Pumpkin Soup (+2 luck, +2 defense) or Spicy Eel (+1 luck, +1 speed). Luck affects loot quality and mine shaft spawns.
- Glowstone ring: Craft at Mining Lv4 (5 Iron + 5 Solar Essence). Combine it with Iridium Band at the Forge for permanent light.
- Bomb crafting: Mega Bombs require 4 Solar Essence + 1 Gold + 1 Void Essence + 1 Coal. Solar Essences drop from Ghosts (Floors 50-70).
- Mining XP table: Ore gives 5 XP per node. Gems give 50 XP each. Monster kills give 3-10 XP. The fastest XP is gem nodes in Skull Cavern.