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For tips on navigating the Dungeon, see Guide:Surviving in the Dungeon.

The Dungeon is a vast underground brick labyrinth that is generated on world creation, either on the far right or left of the map, and contains unique enemies whose spawn rates increase the deeper a player travels. It begins at an above-ground entrance structure resembling a castle, and extends down to near-Underworld depths. A single Dungeon is generated in each world. Accessing the Dungeon requires first defeating Skeletron (see Access below). The Dungeon can appear in one of three Dungeon Brick colors, and with one or more Dungeon Brick Wall patterns, which the game randomly picks when the world is first created.

The Dungeon contains a dense assortment of unique furniture and Mechanisms that can be retrieved by the player (using a Pickaxe) for later use: Several Dart Traps are Wired to Pressure Plates, providing an extra hazard to players. One of these is sometimes found above-ground at the Dungeon's entrance. Chain Lanterns are found wired to Switches, which the player can toggle on and off. The bound Mechanic is also found here, and is freed when spoken to.

There are several locked Golden Chests containing both Dungeon-only loot and standard underground loot. A Golden Key is required to open each of these, which can be obtained from Pots, Dungeon Slimes, and from other Chests in the Dungeon. Locked Biome Chests are also present, which can only be opened using materials available after Plantera is defeated.

After Plantera is defeated, the Dungeon spawns new, more powerful enemies, which offer access to new items. Not all enemies spawn in all Dungeons: The particular background wall type generated for a particular Dungeon, as well as the corresponding Faction Flags scattered around, determine which post-Plantera enemies spawn there (see below).


In order to gain unrestricted access to the Dungeon, Skeletron must first be defeated. Skeletron is summoned by speaking to the Old Man, who guards the Dungeon entrance, at Night. The "curse" option will display, which will turn the Old Man into Skeletron when clicked. Speaking to the Old Man during the Day will not allow you to fight Skeletron.

The Dungeon can be entered but not fully explored before Skeletron is defeated. Traveling below zero depth in the Dungeon before Skeletron has been defeated will trigger multiple Dungeon Guardians which will generally kill any player with a single hit. If you can manage to kill a Dungeon Guardian, it will drop a unique item. However, killing a Dungeon Guardian does not grant you access to the Dungeon.

You can tell if the requirements to spawn Dungeon Guardians are met if the music changes to the unique Dungeon track, or if you have a Depth Meter equipped that reads 0 or a negative number. Dungeon entrances are located at varying heights, but are always some distance above zero depth, making their entrance structures and 1-2 screens of depth generally safe from Guardians.


Characters Unique treasures Unique drops
Angry Bones.png Angry Bones
Dark Caster.png Dark Caster
Cursed Skull.png Cursed Skull
Dungeon Slime.png Dungeon Slime
Spike Ball.png Spike Ball
Blazing Wheel.png Blazing Wheel
Dungeon Guardian.png Dungeon Guardian (before defeating Skeletron)
Dragon Skull.png Dragon Skull Console only.png Mobile only.png

Hardmode post-Plantera:

Blue Armored Bones.png Blue Armored Bones
Rusty Armored Bones.png Rusty Armored Bones
Hell Armored Bones.png Hell Armored Bones
Paladin.png Paladin
Necromancer.png Necromancer
Ragged Caster.png Ragged Caster
Diabolist.png Diabolist
Skeleton Commando.png Skeleton Commando
Skeleton Sniper.png Skeleton Sniper
Tactical Skeleton.png Tactical Skeleton
Giant Cursed Skull.png Giant Cursed Skull
Bone Lee.png Bone Lee
Dungeon Spirit.png Dungeon Spirit

Handgun.png Handgun
Aqua Scepter.png Aqua Scepter
Magic Missile.png Magic Missile
Blue Moon.png Blue Moon
Cobalt Shield.png Cobalt Shield
Muramasa.png Muramasa
Shadow Key.png Shadow Key

Hardmode post-Plantera:

Piranha Gun.png Piranha Gun
Scourge of the Corruptor.png Scourge of the Corruptor
Vampire Knives.png Vampire Knives
Rainbow Gun.png Rainbow Gun
Staff of the Frost Hydra.png Staff of the Frost Hydra

Golden Key.png Golden Key
Bone.png Bone
Bone Wand.png Bone Wand
Clothier Voodoo Doll.png Clothier Voodoo Doll
Ancient Necro Helmet.png Ancient Necro Helmet
Nazar.png Nazar

Hardmode post-Plantera:

Bone Feather.png Bone Feather
Keybrand.png Keybrand
Wisp in a Bottle.png Wisp in a Bottle
Magnet Sphere.png Magnet Sphere
Paladin's Shield.png Paladin's Shield
Paladin's Hammer.png Paladin's Hammer
Armor Polish.png Armor Polish
Adhesive Bandage.png Adhesive Bandage
Shadowbeam Staff.png Shadowbeam Staff
Spectre Staff.png Spectre Staff
Inferno Fork.png Inferno Fork
Rocket Launcher.png Rocket Launcher
Rifle Scope.png Rifle Scope
Sniper Rifle.png Sniper Rifle
SWAT Helmet.png SWAT Helmet
Tactical Shotgun.png Tactical Shotgun
Black Belt.png Black Belt
Tabi.png Tabi
Ectoplasm.png Ectoplasm

Through plundering:

Book.png Book
Blue Brick.png Green Brick.png Pink Brick.png Dungeon Brick
Blue Brick Wall.png Green Brick Wall.png Pink Brick Wall.png Dungeon Brick Wall
Spike.png Spike
Water Candle.png Water Candle
Chain Lantern.png Chain Lantern
Brass Lantern.png Brass Lantern
Caged Lantern.png Caged Lantern
Carriage Lantern.png Carriage Lantern
Alchemy Lantern.png Alchemy Lantern
Diablost Lamp.png Diablost Lamp
Oil Rag Sconse.png Oil Rag Sconse
Switch.png Switch
Water Bolt.png Water Bolt
Metal Shelf.png Metal Shelf
Green Brick Platform.png Green Brick Platform
Pink Brick Platform.png Pink Brick Platform
Blue Brick Platform.png Blue Brick Platform
Dungeon Shelf.png Dungeon Shelf
Brass Shelf.png Brass Shelf
Wood Shelf.png Wood Shelf
Diabolic Sigil.png Diabolic Sigil
Marching Bones Banner.png Marching Bones Banner
Molten Legion Flag.png Molten Legion Flag
Necromantic Sign.png Necromantic Sign
Ragged Brotherhood Sigil.png Ragged Brotherhood Sigil
Rusted Company Standard.png Rusted Company Standard

Hardmode post-Plantera Dungeon[edit]

When you enter a Dungeon after defeating Plantera during Hardmode new more difficult enemies spawn. They will be much stronger than the regular enemies, and there is even one enemy that deals more damage than Skeletron Prime. The player may remember finding four Biome Chests earlier, which require Biome Keys to open. It's recommended that the Hardmode dungeon only be tackled once a player has Hallowed armor or better.

The particular post-Plantera enemies that spawn in a Dungeon area depend on its background wall type. A single Dungeon can contain multiple background wall types in different sections, or just one type. Whether a Dungeon contains different types can only be determined by exploring the Dungeon. A player will often need to generate more than one world, and defeat Plantera in each (along with the Wall of Flesh and the 3 Mechanical Bosses that make Plantera available) in order to encounter all post-Plantera enemy types.

Comparison of the different Dungeon Wall types' appearances.
Wall Appearance Wall Type /
Faction Flags
Unique Post-Plantera Enemies Rare Drops
Dungeon Wall - Brick.png
Blue Brick Wall.png Blue Brick Wall
Green Brick Wall.png Green Brick Wall
Pink Brick Wall.png Pink Brick Wall
Blue Armored Bones.png Blue Armored Bones Bone Feather.png Bone Feather
Keybrand.png Keybrand
Wisp in a Bottle.png Wisp in a Bottle
Magnet Sphere.png Magnet Sphere
Armor Polish.png Armor Polish
Necromancer.png Necromancer Shadowbeam Staff.png Shadowbeam Staff
Skeleton Commando.png Skeleton Commando Rocket Launcher.png Rocket Launcher
Paladin.png Paladin Paladin's Hammer.png Paladin's Hammer
Paladin's Shield.png Paladin's Shield
Armor Polish.png Armor Polish
Dungeon Wall - Slab.png
Blue Slab Wall.png Blue Slab Wall
Green Slab Wall.png Green Slab Wall
Pink Slab Wall.png Pink Slab Wall
Rusty Armored Bones.png Rusty Armored Bones Bone Feather.png Bone Feather
Keybrand.png Keybrand
Wisp in a Bottle.png Wisp in a Bottle
Magnet Sphere.png Magnet Sphere
Adhesive Bandage.png Adhesive Bandage
Ragged Caster.png Ragged Caster Spectre Staff.png Spectre Staff
Skeleton Sniper.png Skeleton Sniper Rifle Scope.png Rifle Scope
Sniper Rifle.png Sniper Rifle
Dungeon Wall - Tile.png
Blue Tiled Wall.png Blue Tiled Wall
Green Tiled Wall.png Green Tiled Wall
Pink Tiled Wall.png Pink Tiled Wall
Hell Armored Bones.png Hell Armored Bones Bone Feather.png Bone Feather
Keybrand.png Keybrand
Wisp in a Bottle.png Wisp in a Bottle
Magnet Sphere.png Magnet Sphere
Diabolist.png Diabolist Inferno Fork.png Inferno Fork
Tactical Skeleton.png Tactical Skeleton SWAT Helmet.png SWAT Helmet
Tactical Shotgun.png Tactical Shotgun
All types of wall Bone Lee.png Bone Lee Tabi.png Tabi
Black Belt.png Black Belt
Magnet Sphere.png Magnet Sphere
Spawns randomly on the
death of any enemy with
100 or more health
Dungeon Spirit.png Dungeon Spirit Ectoplasm.png Ectoplasm


  • The entrance is based on the entrances of the temples in Zelda II: The Adventure of Link
  • The Pink Dungeon has an eyeball theme, the Blue Dungeon has simple skeleton faces, and the Green Dungeon seems to have the face of Cthulhu on the door and several of its bricks. Cthulhu is originally from the Call of Cthulhu by H.P. Lovecraft.


An example of how the Dungeon may be generated.
  • The Dungeon will always be on the side of the map opposite the Jungle. If you're looking for the dungeon and run into a Jungle, turn around and go the other way.
  • A player is considered to be in the Dungeon if they're below the depth of -4 feet and standing in front of any naturally-placed Wall, if there are at least 250 Dungeon Bricks on screen, except dirt walls.
  • You may also farm wires from the dungeon by using a wire cutter.
  • Most Dungeons, regardless of their visible background walls, have brick walls behind their foreground blocks. After Plantera has been defeated, mining the blocks can expose the brick walls, potentially allowing enemies associated with those walls to spawn.


Game mechanics
Attack Speed • Breath meter • Buffs • By hand • Consumable • Crafting station • Critical hit • Damage • Data IDs • Day/Night • Death • Debuffs • Defense • Difficulty • Environment • Event • Fall Damage • Game controls • Ghost • Health • Inventory • Knockback • Lighting mode • Mana • Map Size • Minimap • Minions • Modifier • Moon • Music • NPC drops • NPC Spawning • Placement • Player stats • Rarity • Spawn • Storage • Use time • Value • Velocity