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Field Report · v1

Baby Leviathan Enzymes

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Baby Leviathan Enzymes are a concentrated mass of Enzyme 42 dropped by Sea Emperor Babies. Interacting with them cures the player of the Kharaa Bacterium and is required for the Optimal Health achievement.

Last refreshed May 18, 2026

Baby Leviathan Enzymes

Baby Leviathan Enzymes

Description

A concentrated mass of Enzyme 42.

Acquired From: Sea Emperor Baby

Performing self-scan. Vital signs normal. No remaining sign of bacterial infection.

― PDA, Dialogue

Baby Leviathan Enzymes are a concentrated mass of Enzyme 42 occasionally dropped by Sea Emperor Babies. The player can interact with the Baby Leviathan Enzymes, and doing so will cure the player of the Kharaa Bacterium.

Achievements

Main article: Achievements

Spoiler alert: The following section contains story related material.

Optimal Health Achievement

Optimal Health

Cure the infection

How to obtain: The player must communicate with the Sea Emperor Leviathan and hatch the Sea Emperor Infants in order to obtain Enzyme 42. The player must complete the entire healing cutscene in order to obtain the achievement.

A ball of Baby Leviathan Enzymes produced by Sea Emperor Babies as they leave the Aquarium A ball of Baby Leviathan Enzymes produced by Sea Emperor Babies as they leave the Aquarium

A Sea Emperor Baby emitting Baby Leviathan Enzymes A Sea Emperor Baby emitting Baby Leviathan Enzymes

Baby Leviathan Enzymes curing the player of the Kharaa Bacterium Baby Leviathan Enzymes curing the player of the Kharaa Bacterium

Developer video of the cure animation

Trivia

  • Baby Leviathan Enzymes are blacklisted so they cannot be spawned in. This is to prevent sequence breaking.
  • Baby Leviathan Enzymes used to be green.
  • The Player used to be able to pick up Baby Leviathan Enzymes by using a Prawn Suit or Propulsion Cannon, but this has been since removed; while they can be moved and launched with the tools, an attempt to move them into storage will simply drop them.

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