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The Mercury ball is an artifact found in S.T.A.L.K.E.R.: Lost Alpha.

Dubbed the Mercury Ball, it got its name from the both the element and planet. The emanating color is akin to the searing heat of Mercury and the inner layer of liquid is, surprisingly, a heavier and more toxic variant of the element mercury, unique to the Zone.
- Inventory description, v1.30013 - 1.4005

Born in the "Burner" anomaly. The second name is Mercury. Named after the planet and the element. The outgoing glow is really like the burning hell of the planet Mercury, and the liquid in the inner chamber is a unique, more toxic and heavy type of mercury that occurs only in the Zone. Despite the toxicity, the artifact is able to heal the disease or damage. Emits radiation.
- Inventory description, v1.4007


v1.30013 - 1.4005:
  • Pretty much unobtainable and uninteresting other than for its selling price.
  • Becomes repurposed as the top-level "health" restore artifact.
  • Assigned a parent anomaly.


v1.30013 - 1.4005:
  • Never seen in the wild.
  • Only found upon dead NPCs in extremely rare instances.
  • Possibly available in the wild in the Pump Station on Old Road.
  • May spawn in the Smuggler backpack stash in Lost Factory where it will now be the only loot item.
  • By the time these locations are available to the player, suitable "health regeneration" modifications will more than likely already be installed in their suit of preference.


  • This artifact was an artifact that was cut from earlier builds of the Base game.
  • There is a recipe for creating this item using an Artifact Merger which mercifully, is normally unavailable to the player.