Recommended for any encounters with Leviathans and other angry creatures. Afterburner Upgrade - The Afterburner upgrade for the Seatruck gives you the speed boost necessary to get out of difficult situations.

Primitive Defense System Upgrade - This Seatruck upgrade is crucial for venturing past the Chelicerate and for any potential run-ins with other fauna.

Ideally, you'd want the Mark 3, but you need Kyanite to craft it, so you'll have to do without it for now.

Depth Module Mark 2 - This is the bare minimum for venturing as deep as the Crystal Caves.

It's one of the best vehicles in the game for this reason. Because you will inevitably run into aggressive fauna along the way (the Chelicerate near the Purple Vents, the Cryptosuchus on the way to the biome, and potentially the Shadow Leviathan in the Crystal Caves) the Seatruck helps you stay out of trouble. Seatruck - This is pretty much essential for getting down to the depths required for the Crystal Caves.What you need before going on a hunt for Kyanite: RELATED: Subnautica: Below Zero - Where To Find Silver Ore This is a safer route than venturing through the Purple Vents, though it can be a bit tricky to find. Do not venture too far into the center of the Crystal Caves as a Shadow Leviathan roams that area.Īn alternative route includes a small hole close to Marguerit Maida's Base. Once you find it, you can drop down straight into the Crystal Caves biome.You will need to venture beyond 500 meters to get to where the Kyanite resides. The Crystal Caves are deep purple in color.Dive down to a depth of around 350 meters and you will see the beginning of the Deep Purple vents, and then beyond that, the entrance to the Crystal Caves.Watch out for the Chelicerate that roams the Northern part of the Purple Vents biome.Head South from the Drop Pod location, around 900-100 meters, until you reach the Purple Vents biome.To complete the story and explore everything that Below Zero has to offer, you will need Kyanite. Kyanite is used to craft some valuable upgrades, like the Seatruck Depth Module Mark 3 and the Prawn Suit Depth Module Mark 2. Because the Fabricator Caverns are accessed via the Crystal Caves and are extremely dangerous, we will be focusing only on the Crystal Caves for the purposes of this guide. Kyanite is only found in two locations in Below Zero: the Crystal Caves and the succeeding Fabricator Caverns.

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