FIND // PDA CASE FILE
Can't Find Kyanite in Subnautica
Kyanite is deliberately gated behind the lava zones. Find the descent first, then bring a way to mine large deposits.
LAST CHECK
ANSWER LOCK // QUICK RESPONSE
Search the Inactive Lava Zone and Active Lava Zone. Bring a Prawn Suit Drill Arm for the large deposits, though individual crystals can appear in the Lava Castle.
SIGNAL CONFIRMEDLOCATION SCAN
BRING THIS
- Prawn Suit
- Drill Arm
- Deep vehicle depth upgrade
- Power and heat plan
DATA ACCESS LEVEL
Reveal only as much as you need
02 // DIRECTIONDirectionROUTE GUIDANCE
Follow the Lost River descent into the volcanic regions; look for blue crystals and large deposits.
03 // EXACT ANSWERExact answerFULL SPOILER
The Lava Castle and surrounding lava biomes are the dependable endgame source.
COMMON REASONS YOU ARE STUCK
- Searching the Lost River itself
- Expecting it in shallow outcrops
- Bringing a Prawn Suit without a Drill Arm
VISUAL GUIDE
Kyanite Best Location Guide
Nintendo Kid
A visual route for reaching Kyanite in the lava biomes after the depth gate is ready.
Open source video ↗EVIDENCE LOG
Verification record
Facts on this page are separated from player speculation. Version-sensitive answers should be rechecked after an official update.
LAST CHECK2026-08-29
- SOURCE // 01Kyanite OPEN SOURCE ↗WIKI · checked 2026-08-29
- SOURCE // 02Inactive Lava Zone OPEN SOURCE ↗WIKI · checked 2026-08-29