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The Medical Gel Sac is a bioluminescent healing resource harvested from the central node of the Acid Raion — a glowing yellow sac that provides +10 HP on direct use. It is the base ingredient for Basic First Aid Kit (1× Fiber + Medical Gel Sac) and Enhanced First Aid Kit. Safe harvest technique: strip the side Acidic Raion Pouches with the Survival Multitool first to prevent the toxic fume defense, then pick the central sac. Found under the starting Lifepod's cave.

Where to Find

Shallows Observatory Island

Dropped By

Acid Raion fauna
Acid Raion
Passive leviathan
Passive

Notes

Effect: +10 HP on direct use. Used in: Basic First Aid Kit, Enhanced First Aid Kit.

Harvest:

  1. Equip Survival Multitool.
  2. Remove side Acidic Raion Pouches first (also useful — ingredient for Basic Battery).
  3. Pick the central Medical Gel Sac safely.

Tips:

  • Grow Acid Raion in a [growbed] for a renewable home-base Medical Gel Sac supply.
  • The cave under the Lifepod always has at least one Acid Raion colony — your first sac is guaranteed.