Calamity Mod Wiki
Astral Slime
Astral Slime.png
EnvironmentAstral Infection
AI TypeSlime AI
Damage40 / 80 (pre-Astrum Aureus)
65 / 130 (post-Astrum Aureus)
Max Life200 / 400 (pre-Astrum Aureus)
310 / 620 (post-Astrum Aureus)
Defense8 (pre-Astrum Aureus)
18 (post-Astrum Aureus)
KB Resist100%
Inflicts debuffAstral Infection (debuff)Astral Infection (debuff)
100% chance
Debuff duration2 seconds
Debuff tooltipYour flesh is melting off
Immune toAstral Infection (debuff)ConfusedKami Flu
BannerAstral Slime BannerAstral Slime Banner
Coins 5 Silver Coin.png

The Astral Slime is a Hardmode slime that spawns in the Astral Infection biome. After defeating Astrum Aureus, Astral Slimes will begin to drop the Abandoned Slime Staff and after defeating Astrum Deus, they will begin to drop Astral Ore.


  • In previous versions of the mod, the slime was able to fire lasers at players flying above it.
  • The removed Boss Astrageldon Slime used to summon Astral Slimes during the fight.