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Cursed Venom Sac [✫✫✫]
Tier 0 Crafting Ingredient
+50/3s to +60/3s Poison
-67s Duration
Crafting Lv. Min: 53
  • Alchemism

Cursed Venom Sac is a Tier 0 Crafting Ingredient.


Cursed Venom Sacs can be obtained from defeating spiders in the Olux Swamp region. It can also be found by opening Loot Chests.

The following mobs can drop Cursed Venom Sac:


Cursed Venom Sac can be sold at a Blacksmith or from your Ingredient Pouch in exchange for Emeralds. It can also be traded to other players via the Trade Market or personal trading.

5 Cursed Venom Sacs are needed to access the Plague Laboratory Boss Altar.


Main article: Crafting

Cursed Venom Sac can be used in the Alchemism profession to add a moderate amount of poison to the crafted potion.