Calamity Mod Wiki
Calamity Mod Wiki
"Acid Rain"
Release date April 1, 2020
Music Mod version (music)
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Version history  •  All patches

The (or update, also known as "Acid Rain", added the Acid Rain event and The Old Duke boss. It also added numerous weapons and other equipment especially for the Summoner class, changed the Sulphurous Sea world generation, among other balance and boss changes.


Armor and Accessories[]

Blocks, Furniture, and Walls[]






Armor and Accessories[]

  • Buffed Festive Wings, now rains down homing ornaments during the player's flight.
  • Buffed Gladiator's Locket, damage now scales from 20 to 50 in Hardmode, 100 after Plantera has been defeated, 200 after Moon Lord, and 300 after The Devourer of Gods.
  • Buffed Soul of Cryogen, flight time increased from 1.67 to 2 seconds. Now rains icicle during the player's flight.
  • Nerfed Statis' Blessing now only provides 2 minion slots instead of 3.
  • Removed Statis' Ninja Belt, 5% rogue damage, crit chance, and projectile velocity bonuses.


  • Buffed Apotheosis, base damage increased from 366 to 420, use time decreased from 20 to 18.
  • Buffed The Dance of Light, base damage increased from 500 to 700, use time decreased from 14 to 10.
  • Nerfed Frost Bolt damage decreased from 12 to 10, use time increased from 15 to 18.
  • Buffed Staff of Blushie, doubled charge duration and now inflicts Daybroken.
  • Nerfed Wand of Sparking, base damage decreased from 13 to 10.
  • Buffed Wulfrum Staff, use time decreased from 24 to 20.
  • Nerfed Ghoulish Gouger, base damage decreased from 160 to 110.
  • Buffed Jaws of Oblivion, now uses local immunity frames. Base damage decreased from 465 to 195.
  • Buffed Leviathan Teeth, now uses local immunity frames. Base damage decreased from 94 to 50.
Multi-class and Classless[]
  • Buffed Crystyl Crusher, base damage increased from 500 to 2000, hit cooldown decreased. The end of the beam now follows the mouse cursor, and the right click now functions as a regular pickaxe.
  • Buffed Pearlwood Hammer, base damage increased from 9 to 36, hammer power increased from 45% to 80%.





Armor and Accessories[]

Buffs and Debuffs[]





  • Reworked Statis' Void Sash, increased the dash length and added trailing homing scythes that release when dashing. Removed all rogue and summoner bonuses.

Additional Changes[]


  • Fixed a bug that caused Yharon to enrage at all times in Multiplayer.
  • Fixed a bug where Abyssal Crates can not be caught.
  • Fixed a bug where Skeletron’s hands don't move after teleporting in Revengeance Mode.
  • Fixed a bug where The Plaguebringer Goliath and Queen Bee do not perform the charge attack.
  • Fixed a tooltip error where rogue armor set describe an outdated function of stealth regeneration.
  • Fixed a tooltip misspelling in flasks.
  • Fixed a visual bug where Gleaming Dagger projectile was rotated in the wrong direction.
  • Fixed an incompatibility bug where Devourer of Gods Mask does not appear in the Boss Checklist mod's Boss Log.
  • Fixed an oversight where Truffle Worms are still sold despite disabling the "SellBossSummons" configuration option.