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TypeFlying Enemy
Damage60 / 120 Expert Mode / 180 Master Mode
Max Life400 / 800 Expert Mode / 1200 Master Mode
KB Resist100%
Inflicts debuffPlaguePlague
100% chance

Debuff duration1.5 seconds
Debuff tooltipRotting from the inside
Immune toConfusedPlaguePoisonedAcid Venom
BannerViruling BannerViruling Banner
Cold Bestiary Cold.pngVulnerable
Water Bestiary Water.png-
Sickness Bestiary Sickness.pngResistant
Electricity Bestiary Electricity.png-
Heat Bestiary Heat.pngVulnerable

The Viruling is a Hardmode enemy that spawns in the Jungle during the day after Golem has been defeated. It hovers through the air towards the player and inflicts the Plague debuff on contact.


  • The Viruling cannot fire any projectiles, so any non-melee attacks are useful for killing it.


  • The BestiaryBestiary entry for the Viruling: "Unlike derplings, who use their proboscis to drain the blood of other creatures, virulings use theirs to inject the plague directly into their victims. Aside from the plaguebringers themselves, no creature is nearly as efficient at contaminating the local wildlife."
  • It appears to be a Derpling afflicted with the plague, although its behavior has changed as a result.
    • The Plague also seems to have made it much more machine-like.


These history sections are still a work-in-progress, and may not yet contain changes relevant to the current version of the Calamity Mod.
    • Now has 25% less health and 10% less damage in Master Mode.
    • Nerfed knockback resistance from 100% to 70%.
  • Decreased Plague duration from 3 seconds to 1.5.
  • Fixed redundant wording in its bestiary entry.
  • Now vulnerable to cold and heat debuffs but resistant to sickness debuffs.
  • Decreased Plague duration from 5 seconds to 3.
  • Nerfed damage from 115 / 230 Expert Mode to 60 / 120 Expert Mode.