Blue Moon
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Obtained from
Classic
Expert
Master
Blue Moon
Statistics
| Type | |
|---|---|
| Damage | 54 (Melee) |
| Knockback | 6 (Average) |
| Critical chance | 4% |
| Use time | 45 (Very slow) |
| Velocity | 12 |
| Rarity | |
| Sell | 1 GC75 SC |
| Research | 1 required |
Projectile created
- Blue Moon

Sounds
| Use | |
|---|---|
- Internal Item ID: 163
- Internal Projectile ID: 26
| Entity | Qty. | Rate |
|---|---|---|
| 1 | 1/7 (14.29%) | |
| 1 | 1/7 (14.29%) |
The Blue Moon attacking Target Dummies.
The Blue Moon is a pre-Hardmode, post-Skeletron flail that has a 1/7 (14.29%) chance of being obtained from the Locked Gold Chests found in the Dungeon, as well as a 1/7 (14.29%) chance of being obtained from Golden Lock Boxes.
Its best modifier is Godly or Demonic. Both modifiers increase the average damage output by the same amount. However, Ruthless might be preferred if the player already has very high critical strike chance.
Tips
- The Blue Moon is especially effective in dealing with goblins, clumps of enemies, and large enemies.
Trivia
- It resembles the Muramasa and Water Bolt, likely because all these weapons are acquired from the Dungeon.
- It can be considered the thematic counterpart to the Sunfury.
- The item's name refers to a blue moon, a natural phenomenon involving an extra full moon in a given period.
History
- Desktop 1.4.0.1:
- Damage increased from 23 to 54.
- Functionality of flails reworked.
- Sell value increased from 54 SC to 1 GC75 SC.
- Desktop 1.3.1: Sprite updated. Old sprite was

- Desktop 1.3.0.1: Now has a 1/7 (14.29%) chance of being dropped from Golden Lock Boxes which have a 1/6 (16.67%) chance of being obtained when opening Dungeon Crates.
- Desktop 1.2.3.1: Fixed bug where Blue Moon and Harpoon had invisible hit boxes near the player.
- Desktop 1.2: Sprite updated. Old sprite was

- Desktop 1.0.6: New physics added for flails.
- Desktop 1.0.5: Damage reduced from 30 to 23.
- Desktop-Release: Introduced.
- Console 1.0.933.1: Sprite updated to match Desktop 1.3.1. (
)
- Console 1.0.750.0: Sprite updated to match Desktop 1.3.1. (
)
- Console 1.02: Sprite updated to match Desktop 1.2.
- Console-Release: Introduced with mechanics and stats of Desktop 1.0.6.
- Switch 1.0.711.6: Introduced.
- Mobile 1.2.6508: Sprite updated to match Desktop 1.2.
- Mobile-Release: Introduced with mechanics and stats of Desktop 1.0.6.
- 3DS-Release: Introduced with sprites, mechanics, and stats of Desktop 1.2.