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Celebration Mk2
  • Celebration Mk2 item sprite
Stack digit 1.png
Uses ammoRockets
Damage40 (Ranged)
Knockback10 (Extremely strong)
Critical chance4%
Use time6 (Insanely fast)
Tooltip50% chance to not consume ammo
'All good things end with a bang... or many!'
RarityRarity level: 10
Research1 required
Projectile created
  • Celebration Mk2
    Celebration Mk2
  • Celebration Mk2
    Celebration Mk2
  • Celebration Mk2 (explosive)
    Celebration Mk2 (explosive)
  • Celebration Mk2 (large)
    Celebration Mk2 (large)
  • Celebration Mk2 (large explosive)
    Celebration Mk2 (large explosive)
Obtained from Obtained from Obtained from
Classic mode icon.png Classic
Expert mode icon.png Expert
Master mode icon.png Master
Moon LordMoon Lord's Head.gifMoon Lord111.1%
Treasure Bag
(Moon Lord)
Treasure Bag (Moon Lord)Treasure Bag
(Moon Lord)

A demonstration of the Celebration Mk2.

For the secret world seed, see Celebrationmk10.

The Celebration Mk2 is a Hardmode, post-Moon Lord launcher that is an upgraded version of the Celebration. Upon use, it fires one of seven different special rocket types, regardless of the type of ammunition used. While it retains the destructive properties of its ammunition, it cannot place or delete liquids with liquid rockets. The weapon has a 11.11*1/9 (11.11%) chance to be dropped by the Moon Lord.

Its best modifier is Unreal.


  • The seven different rocket types are distinguished by color. Although their damage, critical strike chance, and knockback is identical, they behave differently:
    • The red rocket pierces enemies that are not at point-blank range, and explodes when hitting a block.
    • The orange rocket fires in an arc which is affected by the relative position of the cursor vertically and has an area-of-effect damage hitbox along the ground in the form of a shockwave upon impact. It also increases in size as it flies.
    • The yellow rocket travels in a straight line (visually zig-zagging) until it begins to taper off due to gravity.
    • The green rocket homes into enemies similarly to Chlorophyte Bullets.
    • Two blue rockets are fired at once, in a helical pattern, traveling straight.
    • Three purple rockets are fired at once, in a shotgun-spread pattern.
    • The pink rocket appears to have no special behavior.
  • All rocket types are affected by gravity to varying extents, unlike the Celebration's projectiles.
  • When the Use / Attack button is pressed, the type of rocket that is fired is determined randomly. When it is held, however, the rockets have a fixed cycle: Red → Orange → Yellow → Green → Blue → Purple → Pink → Red.



  • The Celebration Mk2 was first teased on March 22, 2018, in celebration of Yoraiz0r's birthday.[1]
  • It can be considered a pseudo-upgrade of the Snowman Cannon and Stynger.
  • Despite being the formal successor to the Celebration, the Celebration Mk2 is generally less effective against distant enemies.