Dungeon Guardian

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Dungeon Guardian
Dungeon Guardian.png
Type Flying Enemy
Environment Dungeon
AI Type Head
Damage 1000
Max Life 9999
Defense 9999
Knockback Resist 100%
Item (Quantity) Rate
Bone Key.png Bone Key 100%
For strategies on how to defeat a Dungeon Guardian, see Guide:Dungeon Guardian strategies.

Dungeon Guardians are enemies that guard the Dungeon against intruders. If a player enters the Dungeon without first killing Skeletron and travels below zero depth (the horizontal midline of the map), one or more Dungeon Guardians quickly fly at the player, dealing 1,000 damage each, effectively killing any player that they touch instantly. Dungeon Guardians are large, very fast, and travel through all blocks.

Dungeon Guardians are immune to the Poisoned, Venom, On Fire!, Cursed Inferno and Confused debuffs.


  • If you are unlucky with a Teleportation Potion, and you are randomly teleported into the dungeon before fighting Skeletron, Dungeon Guardians will spawn. Due to the enclosed nature of the Dungeon, your chances of survival are slim.
  • To be considered in the Dungeon, you must be in front of a dungeon wall. Simply having a large number of dungeon bricks on-screen will not count as being in the Dungeon.
  • Killing a Dungeon Guardian is possible, though it would take thousands of hits due to its absurdly high defense. Combined with the fact that you generally need to contend with multiple Guardians at once, victory is extremely unlikely unless you prepare carefully for the encounter.
  • Entering the Dungeon while fighting Skeletron will still spawn the Dungeon Guardian.
  • If you have full Beetle armor with Shell and your Beetle Endurance (buff) is full it is possible to get you a second chance if the guardian hits you.
  • If you're lucky enough when wearing a Master Ninja Gear you may be able to dodge its attack.
Bug.png Bug : If you teleport out with a Magic Mirror at the exact moment that a Dungeon Guardian hits you, a death message will be displayed but you will survive.
Bug.png Bug : Sometimes, when the Dungeon Guardian kills you, if you respawn close enough (you need to respawn really close to the dungeon) and quickly go down, there will be two Dungeon Guardians chasing you.
Bug.png Bug : Console only.png Due to Turtle armor reflecting received damage and the Dungeon Guardian doing 9000 damage, you can use this (in combination with Black Belt/Master Ninja Gear) to easily kill him.
Bug.png Bug : Sometimes if you throw dungeon loot on the ground in a world where Skeletron hasn't been defeated, a dungeon guardian will attack you even if you are above 0 depth.


  • The Dungeon Guardian's insane stats and difficulty causes some players to consider it a boss.
  • Originally, actual Skeletron Heads were used to guard the Dungeon. Killing all Skeletron Heads would count as defeating Skeletron, so the Dungeon Guardian was created to repair this unintentional behavior.[1]
  • If you continue going down into the Dungeon, and manage to dodge the first Dungeon Guardian, more may appear and eventually, quickly kill you due to their immense speed.
  • It is possible to survive a Dungeon Guardian using Beetle armor (with shell), defense + warding accessories and Ironskin and Well Fed buffs and 500 life. The guardian may hit 500 hp, which will kill you in one hit. Sometimes he will hit somewhere in the 480s and you will survive, you can reduce this damage further using Endurance Potions, a Lifeforce Potion and having a friend with a Paladin's Shield equipped.


  • 1.2.3:
    • The AI-reset problem has now been fixed, causing Turtle armor to no longer deal massive damage. The damage is now reduced to 1, like all other attacks.
    • Defense raised from 9000 to 9999.
  • Damaged reduced from 9000 to 1000, to prevent Turtle armor from dealing too much damage, however the exploit still works due to the Dungeon Guardian's AI resetting the damage (see [Discussion of this exploit] for details).
  • 1.2: Now drops a Bone Key upon death.
  • 1.0.5: Introduced, replacing Skeletron Heads as the Dungeon's guards.


  1. 1.0.5 Patchlog: “Entering the dungeon before defeating Skeletron now spawns a new NPC instead of Skeletron’s head. This should fix several issues with that event.”
Characters: Blue Slime.png Pre-Hardmode Enemies • Pixie.png Hardmode Enemies • Goblin Warrior.png Event Enemies • Skeletron Head.png Bosses
Bunny.png Critters • Guide.png Friendly NPCs • Baby Dinosaur.png Familiars