Whether it's a survival game like Minecraft or a cozy, life-sim one like Fields of Mistria, mining is often a pretty important mechanic, and Luma Island puts its own spin on it. You'll be delving deep into old caves located around the island in search of useful metals and valuable gems, and you may even find some treasure too.

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Besides the resources, spiders make their home in the caves, and they're all too eager to take a bite out of any unprepared explorers looking for resources. A rock might drop onto your head, and even the darkness itself seems out to get you.

Updated December 30th, 2024 by Haven Smith: We've updated this article to include new information on all the Jungle ores and gems, all Blacksmith and Jewelrycrafter recipes, and their updated Luma Energy costs.

How To Locate The Caves

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While you can find small amounts of ore nodes in specific mountainous locations or after unlocking certain temple rooms, the main place you'll get ore, and the only place you can mine for gems, is in the biome-specific caves.

  • The first available cave is the Abandoned Farm Cave, and it's located next to your house.
  • The second available cave is the Lost Forest Cave, and you need to repair the town's bridge so you can access the Forest. It's located in the northern corner of the western side of the area, past the stone bridge.
  • The third available cave is the Frozen Mountain Cave, and you need to repair the town's Cable Car to ride it to the Mountain. It's located northwest of the entrance to the area.
  • The fourth available cave is the Forbidden Jungle Cave, and you need to repair the boat on your farm using three key materials, including the Lost Jungle Island Map. It's located in the side of a cliff slightly northwest of the boat's drop-off point.

Some areas, such as the Forest, also have minor caves that contain Charcoal and different Ores, but these don't have gems or enemies, are much smaller, and can't be reset once you've mined all the resources found in them.

Many of the minor caves can help you access new areas or give you a shortcut closer to the entrance of an area, so they're still worth exploring.

You'll also begin finding unfinished campsites outside a major cave once you reach the Forest. They'll have all the basic crafting stations, like a Sawmill, Kiln, Ore Smelter, and Simple Workbench, and you can finish their construction with the regional material equivalent.

How To Explore The Caves

When you first go down into a cave, you'll start in a well-lit area with a few trees and bushes, while the rest of the area is in complete darkness except for glowing gems in the distance if they've spawned close enough.

You'll need to use one of three torch types to light the areaaround you as you explore to keep the darkness from consuming you and sending you back to the entrance. Each area has its own Resin and Torch type that differs in light color and effectiveness:

Torch Type

Resin Needed

Light Radius

How Long It Lasts

Farm Torch

Farm Resin

Small

Two In-game Days

Forest Torch

Forest Resin

Medium

Four In-game Days

Mountain Torch

Mountain Resin

Large

Six In-game Days

Jungle Torch

Jungle Resin

Large

Eight In-game Days

Torches will go out after a certain amount of in-game time passes, but you can reignite them by running over them.

Charcoal and the area's ore type can be found throughout the cave, but the gems are always located farther out according to their rarity, with the lowest rarity located closer to the cave entrance, and the rarest one near the edge of the cave's interior.

Each cave, save for the Abandoned Farm Cave, also introduces a rare, dangerous variant of its regional stone that can kill you and send you back to the entrance if you don't avoid it.

  • For the Lost Forest Cave, rocks may explode into a cloud of poison gas that will cause your screen to go hazy. These rocks are always large and pointed.
  • For the Frozen Mountain Cave, rocks may detonate and explode after a few seconds, destroying rocks and ores around them in a small radius. These rocks are always flat, round, and medium-sized.
  • For the Forbidden Jungle Cave, rocks can have either of the previous two dangers: poison gas clouds or detonating after a few seconds.

While exploring, you'll also find Old Barrels and Crates you can break with your Whip, and these mostly contain cave-related items, such as Torches and Flares, and occasionally a small amount of Ore and Charcoal.

Flares are great for revealing a wide radius around you briefly and can save you from dying if you run out of torches.

Rocks will also occasionally fall from the ceiling and create a new boulder that can block a path you've made, but they often fall on top of other boulders instead, and it's rare for them to hit you since they spawn on the outskirts of where you're standing.

How To Deal With Spiders

The longer you stay inside a cave, the more likely it is that a Spider enemy will spawn near your location, and these serve as your main threat while in a cave.

A Spider will start wandering around the cave once they've spawned, and if you or they get close to them, they'll initiate a chase and begin hunting you down unless you run far away enough to lose its attention.

You can tell if a Spider is spawning as they always produce a flash of colored light at their location while spawning, and they make a loud hissing noise.

Besides those that spawn over time, mining a gem of any type also produces a loud noise that attracts Spiders and each hit drastically increases the chance of a Spider spawning near you.

If a Spider comes after you, or you don't want to be bothered by it, use your Whip to fight them off. Each hit with your Whip will stun them for a few moments, and you can time it so you stun them each time they try to move until they're dead, or it can just give you a chance to escape or avoid them.

You can farm Spiders for their rare drops, like Webbed Gems or regional Ambers, to sell by hitting a gem long enough to make them spawn near you, but not breaking it, then repeating the process.

Each type of cave has a Spider variant, with a different appearance and spawning light color, but they all do the same amount of damage, and the main difference between them is how fast they go.

  • The Farm Spider is the slowest.
  • The Forest Spider is the third fastest.
  • The Mountain Spider is the second fastest.
  • The Jungle Spider is the fastest.

In mid-to-late game caves such as the Frozen Mountain Cave, multiple Spiders can spawn at once, either naturally or by attracting them via striking a gem.

How To Reset A Cave's Interior

Eventually, a cave can run out of resources, and if this happens, you'll need to locate the Cave Reset Beaconand use it to spawn new resources.

Each cave has one, and they're always located somewhere along the very edge of the cave's interior, so they require quite a bit of exploring and torches to reach them. They sit in a well-lit area like the cave's entrance, so you can see them from afar if you've gone deep enough.

When you find the beacon, all you have to do is interact with it and a countdown will start. You'll have 90 seconds to mine any last resources and exit the cave, or else it will collapse on you and send you back to the entrance.

Next time you go back inside, the entire layout will be reset, allowing you to get more resources. There isn't a limit to how many times you can reset a cave, but you will have to find the beacon again each time.

All Mining Resources And Their Uses

Most cave resources are important for upgrading your tools, but ores and gems also provide the main materials needed for the Blacksmithing and Jewelrycrafter Professions, and you'll need metal bars to make magnets if you're a Treasure Hunter.

All Ores And Gems

Resource

Main Cave Found In

Charcoal

Abandoned Farm Cave

Lost Forest Cave

Frozen Mountain Cave

Copper Ore

Abandoned Farm Cave

Bronze Rubble

Mountain Crystal

Tiger's Eye

Kyanite

Iron Ore

Lost Forest Cave

Silver Rubber

Pyrite

Bismuth

Crocoite

Moonstone Ore

Frozen Mountain Cave

Gold Rubble

Fluorite

Azurite

Uvarovite

Volcanic Ore

Forbidden Jungle Cave

Platinum Rubble

Sunset Fire Opal

Ruby

Diamond

All Blacksmith Profession Recipes

For the Blacksmithing Profession, you'll use three different crafters: the Blacksmith's Forge, the Ore Smelter, and the Rubble Refinery.

The Jewelrycrafter is a good pairing for the Blacksmith as a second Profession, as they both share the Ore Smelter and Rubble Refineriesas some of their main crafters and use many of the same materials.

Item

Materials Needed

Luma Energy Needed For First Craft

Selling Price

Profession Tier

Cog

Copper Bar x4

N/A

1,000 Gold

Novice

Spring

Copper Bar x2

Bronze Bar x5

N/A

1,200 Gold

Horse Shoe

Copper Bar x5

Farm Leather x4

Fabric x4

1 Luma Energy

1,400 Gold

Lock

Copper Bar x6

Farm Leather x4

Fabric x4

2 Luma Energy

1,600 Gold

Anchor

Copper Bar x5

Bronze Bar x5

Farm Leather x4

Fabric x4

3 Luma Energy

1,800 Gold

Weight

Copper Bar x6

Bronze Bar x5

Fiber x2

Fabric x4

4 Luma Energy

2,000 Gold

Tongs

Iron Bar x4

Copper Bar x4

5 Luma Energy

3,000 Gold

Skilled

Bucket

Iron Bar x2

Silver Bar x4

Copper Bar x2

6 Luma Energy

3,300 Gold

Cutlery

Iron Bar x6

Forest Leather x6

Fabric x4

7 Luma Energy

3,600 Gold

Bell

Iron Bar x6

Copper Bar x4

Fabric x4

8 Luma Energy

3,900 Gold

Magnifying Glass

Iron Bar x5

Silver Bar x5

Forest Leather x2

Fabric x4

9 Luma Energy

4,200 Gold

Watch

Iron Bar x5

Silver Bar x5

Copper Bar x2

10 Luma Energy

4,600 Gold

Bracers

Moonstone Bar x4

Iron Bar x3

11 Luma Energy

6,000 Gold

Expert

Gloves

Moonstone Bar x2

Gold Bar x4

Iron Bar x2

12 Luma Energy

6,400 Gold

Boots

Moonstone Bar x6

Mountain Leather x6

Fabric x4

13 Luma Energy

6,800 Gold

Legs

Moonstone Bar x6

Iron Bar x5

Fabric x4

14 Luma Energy

7,200 Gold

Helmet

Moonstone Bar x4

Gold Bar x5

Copper Bar x2

Fabric x4

15 Luma Energy

7,600 Gold

Armor

Moonstone Bar x3

Gold Bar x5

Iron Bar x4

16 Luma Energy

8,000 Gold

Crossbow

Volcanic Bar x5

Moonstone Bar x4

17 Luma Energy

10,000 Gold

Master

Halberd

Volcanic Bar x3

Platinum Bar x3

Moonstone Bar x2

18 Luma Energy

11,000 Gold

Flail

Volcanic Bar x6

Jungle Leather x6

Fabric x4

19 Luma Energy

12, 000 Gold

Shield

Volcanic Bar x5

Moonstone Bar x2

Jungle Leather x6

Fabric x4

20 Luma Energy

13,000 Gold

Axe

Volcanic Bar x4

Platinum Bar x4

Iron Bar x4

Fabric x4

20 Luma Energy

14,000 Gold

Sword Of The Lost Druids

Volcanic Bar x75

Platinum Bar x50

Moonstone Bar x50

40 Luma Energy

100,000 Gold

All Jewelrycrafter Profession Recipes

Like the Blacksmith, the Jewelrycrafter also makes use of the Rubble Refinery and the Ore Smelter, while the jewelry recipes themselves are made at the Jewelrycrafter's Workbench.

Item

Materials Needed

Luma Energy Needed For First Craft

Selling Price

Profession Tier

Mountain Crystal Earrings

Bronze Bar x1

Mountain Crystal x2

N/A

1,000 Gold

Novice

Mountain Crystal Necklace

Bronze Bar x4

Mountain Crystal x3

N/A

1,200 Gold

Tiger's Eye Ring

Bronze Bar x5

Tiger's Eye x3

1 Luma Energy

1,400 Gold

Tiger's Eye Necklace

Bronze Bar x4

Tiger's Eye x3

Mountain Crystal x2

2 Luma Energy

1,600 Gold

Kyanite Ring

Bronze Bar x4

Kyanite x4

3 Luma Energy

1,800 Gold

Bronze Tiara

Bronze Bar x2

Mountain Crystal x2

Tiger's Eye x2

Kyanite x2

4 Luma Energy

2,000 Gold

Pyrite Earrings

Silver Bar x4

Pyrite x4

5 Luma Energy

3,000 Gold

Skilled

Pyrite Necklace

Silver Bar x4

Pyrite x4

6 Luma Energy

3,300 Gold

Bismuth Ring

Silver Bar x6

Bismuth x3

7 Luma Energy

3,700 Gold

Bismuth Necklace

Silver Bar x5

Bismuth x2

Pyrite x2

8 Luma Energy

4,000 Gold

Crocoite Ring

Silver Bar x4

Crocoite x4

9 Luma Energy

4,100 Gold

Silver Tiara

Silver Bar x2

Pyrite x2

Bismuth x2

Crocoite x2

10 Luma Energy

4,400 Gold

Fluorite Earrings

Gold Bar x4

Fluorite x4

11 Luma Energy

6,000 Gold

Expert

Fluorite Necklace

Gold Bar x5

Fluorite x4

12 Luma Energy

6,400 Gold

Azurite Ring

Gold Bar x5

Azurite x4

13 Luma Energy

6,800 Gold

Azurite Necklace

Gold Bar x4

Fluorite x3

Azurite x2

14 Luma Energy

7,200 Gold

Uvarovite Ring

Gold Bar x4

Uvarovite x4

15 Luma Energy

7,600 Gold

Gold Tiara

Gold Bar x2

Fluorite x2

Azurite x2

Uvarovite x2

16 Luma Energy

8,000 Gold

Sunset Fire Opal Earrings

Platinum Bar x4

Sunset Fire Opal x4

17 Luma Energy

10,000 Gold

Master

Sunset Fire Opal Necklace

Platinum Bar x5

Sunset Fire Opal x4

18 Luma Energy

11,000 Gold

Ruby Ring

Platinum Bar x4

Ruby x4

19 Luma Energy

12,000 Gold

Ruby Necklace

Platinum Bar x3

Ruby x3

Sunset Fire Opal x2

20 Luma Energy

13,000 Gold

Diamond Ring

Platinum Bar x4

Diamond x4

20 Luma Energy

14,000 Gold

Crown Of Luma Island

Platinum Bar x40

Sunset Fire Opal x20

Ruby x20

Diamond x20

40 Luma Energy

100,000 Gold

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