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  • Avalanche.png
Stack digit 1.png
TypeWeaponCrafting material
Damage100 True melee
Knockback7.25 (Very Strong)
Critical chance4%
Use time35 Very Slow
TooltipSpawns ice bombs that explode after 3 seconds into ice shards on hit
Inflicts DebuffGlacial StateGlacial State
100% chance

Debuff duration0.5 seconds (Ice Bomb)
Debuff tooltipCannot move
RarityRarity Level: 5
Sell 4 Gold Coin.png 80 Silver Coin.png
Research1 required
Projectiles created
Ice Bomb
Ice Bomb
Frost Shard
Ice Shards
Dropped by
Cryogen125% / 33.33% Expert Mode

The Avalanche is a Hardmode broadsword that is dropped by Cryogen. When hitting enemies, it spawns 4 ice bombs around the player that travel in either cardinal or ordinal directions. The ice bombs can pass through tiles and explode into 4 gravity affected ice shards on enemy hits or after 3 seconds. The ice bombs deal 50% knockback and the ice shards deal 50% of the weapon's damage.

Its best modifier is Legendary.


Used in


  • Despite having the appearance of an axe, the Avalanche cannot be used to cut down trees.
  • The Destroyer takes only 50% damage from the Avalanche's ice bombs.


  • Due to the way the projectiles spawn, this weapon is exceptionally effective against Worm AI enemies, as every one of the falling shards will hit their long body.


  • This weapon was previously known as the "Permafrost" but was renamed due to the introduction of the Archmage, which will always be named "Permafrost".


These history sections are still a work-in-progress, and may not yet contain changes relevant to the current version of the Calamity Mod.
    • Ice bombs now have 50% knockback, but can pass through tiles.
    • No longer has a 150% size modifier.
  • Decreased sell price from 7 Gold Coin.png 20 Silver Coin.png to 4 Gold Coin.png 80 Silver Coin.png.
    • Decreased Glacial State duration from ice bomb from 1 second to 0.5.
    • No longer considered an ice weapon.
    • Reworked, ice bomb projectiles that spawn on hit now travel in an "X" or "+" pattern and explode into gravity affected ice shard projectiles after 3 seconds.
    • Buffed damage from 60 to 100, but nerfed use time from 19 to 34.
  • Buffed ice shard projectile damage from 30 damage to 50% base damage.
    • Fixed ice bomb not benefitting from increased all-class damage.
    • Swing now functions in PvP.
  • Tooltip now mentions that its effect occurs on hits in general instead of just enemy hits.
  • Renamed from "Permafrost" to "Avalanche".