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Howitzer Arms belong in the Unknown tier. They are a Calamity limb and utility entity.
Spawning
Unique Behavior
Will periodically place Big Mycelium Growths and Small Mycelium Growths in a 4.1 block radius.
The health and armor of Howitzer Arms is 25% of the original Howitzer's health.
Howitzer Arms have 1.0 knockback resistance, meaning they can't be knocked back by attacks.
Howitzer Arms are incapable of movement.
Behavior
Present a weakness to the cold, like all spore mobs.
Related Advancements
Drops
Howitzer Arm
Statistics
HP: 125 (x62.5 hearts)
Armor: 2.5 (x1.25 bars)
Damage: 0 (x0 hearts)
ID: spore:howit_arm
Threat Level: Unknown
Trivia
There used to be a bug with the Howitzer Arm, where after it was severed, the arm's hitbox, when hit, would spawn another arm, meaning infinite arms could be spawned.
Gallery
The right Howitzer Arm.