Blood Moon

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You can tell a Blood Moon is out when the sky turns red. There is something about it that causes monsters to swarm.

The Guide


"The Blood Moon is rising..."
A Blood Moon is a common randomly occurring event that takes place over the course of an entire night (7:30 p.m-4:30 a.m.) It causes several hazards for its duration: Enemy spawns increase, even near the player's Home and NPCs (where enemies do not normally spawn), Zombies become able to open Doors, and Bunnies, Penguins, and Goldfish transform into dangerous enemies, along with other effects (see below). Blood Moons are signaled by the message "The Blood Moon is rising..." in the lower left corner of the screen, and the moon, sky, water, and rain will appear red for the duration of the event. A reddish-pink filter will also be present in all above-ground areas.

A Blood Moon will only occur if at least one player in the world has at least 120 life, and only on nights when a moon is present (any night except a new moon). Given those criteria, a Blood Moon has a 1 in 9 chance (11.11%) of occurring. Without taking the current moon into consideration, there is an overall chance of approximately 1 in 10 (1/9 * 7/8 = 7/72, or 9.72%). Though it is not that simple, so do not always rely on the numbers.

Content[edit | edit source]

Blood Moon
Characters Unique Drops For Sale
The Groom.png The Groom
The Bride.png The Bride Desktop VersionConsole Version
Blood Zombie.png Blood Zombie Desktop VersionConsole Version
Drippler.png Drippler Desktop VersionConsole Version

On a Corruption world:

Corrupt Bunny.png Corrupt Bunny
Corrupt Goldfish.png Corrupt Goldfish
Corrupt Penguin.png Corrupt Penguin

On a Crimson world:

Crimtane Bunny.png Crimtane Bunny Desktop VersionConsole Version
Crimtane Goldfish.png Crimtane Goldfish Desktop VersionConsole Version
Vicious Penguin.png Vicious Penguin Desktop VersionConsole Version

During Hardmode:

Clown.png Clown


The Groom Banner.png
The Groom Desktop VersionConsole Version
Corrupt Bunny Banner.png
Corrupt Goldfish Banner.png
Corrupt Penguin Banner.png
Blood Zombie Banner.png
Drippler Banner.png
Drippler Desktop VersionConsole Version
Desktop Version

During Hardmode:

Clown Banner.png

From The Groom:

Top Hat.png Top Hat
Brain.png Brain Mobile only.pngOld-gen console version3DS logo.svg

From The Bride: Desktop Version

Wedding Veil.png Wedding Veil Desktop VersionConsole Version
Wedding Dress.png Wedding Dress Desktop VersionConsole Version

From Drippler &
Blood Zombie:
Desktop Version

Money Trough.png Money Trough Desktop VersionConsole Version
Shark Tooth Necklace.png Shark Tooth Necklace Desktop VersionConsole Version

From Clown (in Hardmode):

Bananarang.png Bananarang
Trifold Map.png Trifold Map

From vegetation:

Corrupt Seeds.png
Corrupt Seeds 
(if world has Corruption)
Crimson Seeds.png
Crimson Seeds Desktop VersionConsole VersionMobile only.pngOld-gen console version
(if world has Crimson)
Deathweed Seeds.png Deathweed Seeds
From Clothier:
Mime Mask.png Mime Mask
Fallen Tuxedo Shirt.png
Fallen Tuxedo Pants.png
George's Tuxedo.png
Fabulous Outfit.png

From Dryad:

Vile Powder.png
Vile Powder 
(if world has Corruption)
Corrupt Seeds.png
Corrupt Seeds 
(if world has Corruption)
Vicious Powder.png
Vicious Powder Desktop VersionConsole Version
(if world has Crimson) Desktop Version
Crimson Seeds.png
Crimson Seeds Desktop VersionConsole VersionMobile only.pngOld-gen console version
(if world has Crimson)
Sparkly Wings.png
Sparkly Wings Mobile only.pngOld-gen console version3DS logo.svg
(if world is Hardmode) Console Version

From Arms Dealer:
Silver Bullet.png Silver Bullet

From Cyborg:

Rocket II.png Rocket II

From Merchant:

Throwing Knife.png Throwing Knife

From Painter:

Evil Presence.png Evil Presence

From Steampunker:

Purple Solution.png
Purple Solution 
(if world has Corruption)
Red Solution.png
Red Solution 
(if world has Crimson)

From Skeleton
Desktop Version

Slap Hand.png

Effects[edit | edit source]

Red rain during a Blood Moon

Enemies[edit | edit source]

Sold items[edit | edit source]

Other effects[edit | edit source]

  • Deathweed blooms. Blood moons (and Full Moons on Desktop Version Desktop and Console Version Console) are the only times you can harvest Deathweed Seeds from Deathweed.
  • Most NPCs have their own unique lines commenting on the event. All female NPCs except for the Party Girl act annoyed or rude.
  • As said before, water will turn red, including Rain. Desktop VersionConsole VersionA red filter will be applied to the screen as well, shifting the colors of all entities and light towards red and purple shades. This will also affect the projectile colors of many weapons.

Achievements[edit | edit source]

Achievement Bloodbath.png Bloodbath • "Survive a Blood Moon, a nocturnal event where the rivers run red and monsters swarm aplenty"
Survive your first Blood Moon. Desktop Version
Achievement Red Moon Rises.png Red Moon Rises • "You have survived the Blood Moon!"
Survive your first Blood Moon. Old-gen console versionMobile only.png

Notes[edit | edit source]

  • The Blood Moon's effects on enemy spawn rates stack with that of the Water Candle and Battle Potion.
  • Whether or not a Blood Moon will occur is determined at dusk each night.
  • Every nightfall has an equal chance of being a Blood Moon and does not change if the previous night was a Blood Moon. It is possible to have four or more Blood Moons in a row and, conversely, a Blood Moon will not necessarily occur even over the course of many in-game weeks.
  • In a multiplayer game, using the time adjustment server commands (dawn, noon, dusk, midnight) will not trigger the Blood Moon check, and so using "dusk" repeatedly does not force a Blood Moon to occur.
  • Water in an Ocean biome will not turn red even though all other water in biomes will. However, the blue water is still affected by the red shader, giving it a purple color.
  • If a player chooses to, they can cancel a Blood Moon by summoning the Pumpkin Moon or Frost Moon.
  • A Blood Moon can happen in the middle of a Pirate Invasion. The invasion will still go on until it ends, then the Blood Moon starts. A Blood Moon can also occur during Slime Rain.
  • Blood Moons occur more often than Solar Eclipses, as Solar Eclipses have a 5% (1/20) chance to happen each day (when the criteria are met).

Tips[edit | edit source]

For more elaborate strategies on defeating Blood Moon, including Weapon and Arena recommendations, see Guide:Defending against events.

  • A Blood Moon only affects the surface. Players can avoid it entirely by staying underground.
  • During a blood moon in Hardmode, every enemy has a 1 in 1000 (0.1%) chance of dropping the KO Cannon.

Trivia[edit | edit source]

  • In real life, the Moon appears red during lunar eclipses, and is sometimes referred to as a "Blood Moon". As sunlight passes into the shadow through the atmosphere, the Moon is given a red/orange color due to the amount of air the light passes through. This is the same phenomenon that gives sunsets and sunrises such colors.
  • Because of the celestial significance of the moon in Earth's sky, combined with its tendency to change its apparent color, the moon symbolically or literally turning the color of blood is a recurring theme in historical and popular contexts, repeatedly appearing in books, movies and video games as an ill omen- and often being treated as one when it occurs in real life.
  • One of the earliest references to a blood moon appears as one of the "Seven Signs of the Apocalypse" in the biblical book of Revelation, which states, "And I beheld when he had opened the sixth seal, and, lo, there was a great earthquake; and the sun became black as sackcloth of hair, and the moon became as blood;..."
  • When a real Blood Moon occurred on April 14, 2014, a warning was jokingly announced on the official Terraria forums.[1]
  • During a Blood Moon, most female NPCs use more irritable or aggressive dialogue than normal. This may be a reference to the menstrual cycle.

References[edit | edit source]

History[edit | edit source]

Desktop VersionDesktop version

  • Desktop 1.1: The chance of a Blood Moon was decreased to 1/9 from its previous chance of 1/7.

Console VersionConsole version

Mobile only.pngMobile version

3DS logo.svg3DS version

Random Events Rain • Slime RainDesktop VersionConsole Version • Blood Moon • SandstormDesktop Version • Solar Eclipse
Summonable Events Goblin Army • Frost Legion • Pirate Invasion • Solar Eclipse • Pumpkin Moon • Frost Moon • Martian MadnessDesktop VersionConsole Version • Lunar EventsDesktop VersionConsole Version • PartyDesktop Version • Old One's ArmyDesktop Version
Seasonal Events Valentine's DayMobile only.png3DS logo.svg • St. Patrick's DayMobile only.png • EasterMobile only.png3DS logo.svg • OktoberfestMobile only.png3DS logo.svg • ThanksgivingMobile only.png3DS logo.svg • Halloween • Christmas
Unimplemented Events Chinese New YearMobile only.png
Promotional Content