Brightbulb

The Brightbulb is a Pre-Hardmode crafting material that is dropped by Lumoths and Gold Lumoths. It is solely used to craft the Luminous Lantern.

Obtaining a Brightbulb is required for one branch of the "Sanctuary: Luminous Luster" quest.

Crafting

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Drops •

Ores and

Bars) •

Lore •

Other

Buff Potions
Health	Bottomless Healing • Moon Jelly • Moon Jelly Donut
Attack	Runescribe • Soulguard • Spirit • Sporecoid • Starburn • Steadfast • Toxin
Defense	Mirror Coat • Olive Branch
Movement	Jump • Soaring • Zephyr
Food and Drinks	Acorn Cake • Baguette • Birdhouse Gourd • Bottomless Ale • Caesar Salad • Caramel Apple • Carrot Cake • Crystallized Salmon • Durian • Enchanted Apple Enchanted Star Fruit • Fish n' Chips • Fish Fingers • Ghost Pepper • Glowpear • Golden Caviar • Guava • Honey-Glazed Salmon • Hummus • Ice Berry Jack-o-Gourd • Lumin Berry • Meatballs • Nigiri • Pop Rocks • Popsicle • Ramen • Raw Fish • Rock Candy • Steamed Mussels • Sushi • Tofu Satay
Candies	Candy • Chocolate Bar • Golden Candy • Health Candy • Lollipop • Mana Candy • Mystery Candy • Taffy

Ammunition
Arrows	Accursed Arrow • Beetle Arrow
Bullets	Ripper Slug • Spectre Bullet
Rockets	Warhead
Miscellaneous	Faerie Star
Solutions	Cyan Solution • Olive Solution

Crafting materials
Pre-Hardmode	Bismite Crystal • Brightbulb • Chitin • Deep Cascade Shard • Dreamstride Essence • Enchanted Leaf • Energized Metal • Frigid Fragment Glowroot • Heart Scale • Iridescent Scale • Noxophyll • Old Leather • Slagstone • Stream Scale • Sulfur Deposit • Tech Drive
Hardmode	Ancient Rune • Arcane Geyser • Dusk Shard • Ethereal Ember • G-TEK Components • Nether Crystal • Spirit Koi • Torment Shard
Crafted	Discharge Tubule • Empty Arcane Codex
Herbs	Cloudstalk • Soulbloom

Ores and Bars
Ores	Ancient Marble Chunk • Astralite Shard • Cryolite • Enchanted Granite Chunk • Floran • Spirit
Bars	Cryolite • Floran • Spirit

Lore
Guides	An Alchemist's Observations • Meals on Wheels • The Beginner's Guide to Armor • The Beginner's Guide to Weaponry • The Beginner's Guide to Accessories
Journals	Dag Dinger • Fungal Pilferers • Is Lava Hot? • Jellyfish in the Sky! • Notes on the Briar • Where Do Slimes Come From?
Tales	Amea the Brigand • I'm Really Mad • The Gunslinger
Drawings	Flora of the Briar • Flora of the Spirit Biome • Notes on Ancient Marble Chunks • Notes on Bismite Crystals • Notes on Blossmoons • Notes on Enchanted Granite Chunks Notes on Enchanted Leaves • Notes on Frigid Fragments • Notes on Glowroot • Notes on Heart Scales • Notes on Lumoths • Notes on Soulbloom • The Glowing Ocean!

Other
Summoning	Boss	Bramble Tooth • Dreamlight Jelly • Dusk Crown • Feather Crown • Glade Wreath • Pain Caller • Scarab Idol • Starplate Beacon • Stone Fist
Summoning	Event	Distress Jelly • Martian Transmitter • Sands of Time • Seabreak Pearl • Turquoise Lens
Grab bags	Copper Chest • Floral Seed Bag • Gold Coffer • Mysterious Satchel • Packing Crate • Pirate Loot Crate Platinum Strongbox • Silver Lockbox • Spirit Crate • Thistle Crate • Thorny Crate • Treasure Bag
Seeds	Briar Grass Seeds • Cloudstalk Seeds • Soulbloom Seeds
Quest items	Bloody Tumor • Decrepit Idol • Durasilk Scarf • Grisly Science Experiment • Hornetfish • Hyperborean Artifact Hyperborean Fragment • Hyperborean Relic • Luminous Sac • Photosphere Shard • Royal Crown • Unholy Magic • Violet Crystal
Miscellaneous	Cartographer's Map • Fate Token • Jem • Mystical Dice • Sacred Scripture Secret Key • Surrender Bell • Target Bottle • Target Can • Windshear Pearl

Dropped by
Entity	Quantity	Rate
Lumoth Gold Lumoth	1	33.33%