Lucifer Rotsac guide for Subnautica 2. Learn how to get this resource, its locations, farming spots, uses, crafting recipes, and more.
Table of Contents
How to Get Lucifer Rotsac
Gather from Cradle Shootroots

Lucifer Rotsac can be found in the shallow ocean areas near your starting Lifepod. These glowing orange bulbs grow on large, coral-like plants called Cradle Shootroots, and you can collect them by hand.
No Tool Required to Get Lucifer Rotsac

Unlike ore deposits, Lucifer Rotsac does not require any special tool to harvest. Simply swim close to the plant and interact with the glowing bulb to pick it up.
Also Obtainable: Fibrous Pulps

After collecting the Lucifer Rotsac bulbs, use the Survival Multitool on Cradle Shootroots to harvest Fibrous Pulps.
Lucifer Rotsac Locations
Where to Find Lucifer Rotsac
| Location | Coordinates |
|---|---|
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Lucifer Rotsac is mainly found growing in bundles of 3–5 on Cradle Shootroots, located about 150 meters north of the Lifepod at roughly 15 degrees north.
Lucifer Rotsac Uses
Used as a Crafting Material

Lucifer Rotsac is primarily used to craft Rubber at the Fabricator, which is required for making various survival tools and equipment.
Lucifer Rotsac Crafting List
Items Crafted with Lucifer Rotsac
| Item | Details |
|---|---|
| Rubber | Flexible, tough, insulator derived from biopolymers. Required: 2 Lucifer Rotsac |
| Grease | Fatty soap and mineral oil. Multiple applications Required: 1 Lucifer Rotsac |
| Basic Fins | Simple diving fins that provide a small speed boost. Required: 2 Rubber ( 4 Lucifer Rotsac) |
| Air Bladder | Rapid flotation bladder for emergency ascents. Can be inhaled to supply a few seconds of air to self and nearby divers. Required: 1 Rubber ( 2 Lucifer Rotsac) |
| Standard Air Tank | Holds breathing air. Standard All Environment Respiration design. Required: 1 Rubber ( 2 Lucifer Rotsac) |
Lucifer Rotsac Farming Tips
Search Cradle Shootroots in Clusters

Look for Cradle Shootroots with multiple glowing orange bulbs attached. These plants often spawn Lucifer Rotsac in bundles, allowing you to collect several at once.
Explore During Nighttime
Lucifer Rotsac glows brightly in the dark, which makes it easier to find at night.
Explore Radiating Coral Zones
Larger coral formations tend to host more Cradle Shootroots, which makes them reliable farming zones for Lucifer Rotsac.
Gather Extra for Future Crafting
Lucifer Rotsac is used early for Rubber, but having extra stock helps later when crafting additional survival gear or replacements.
Keep Enough Inventory Space
Before farming Lucifer Rotsac, ensure you have enough inventory space to collect as many as possible in a single trip.
What is Lucifer Rotsac?

Lucifer Rotsac is an early-game organic resource found in Subnautica 2. It typically appears in small groups of bulbs attached to the same plant structure.