If you’ve ever dipped below the 200-meter mark in the new Subnautica sequel, you’ve almost certainly heard that low, rumbling roar before you see it. The first time I ran into a shadow leviathan in Leviathan Subnautica 2, I lost two hours of progress, my fully upgraded sea truck, and every rare material I’d spent all day collecting. It’s easy to write these giant creatures off as unbeatable obstacles you just have to avoid, but with the right preparation, you don’t have to cut your deep dives short every time you hear that telltale growl. This guide breaks down everything I’ve learned after 60+ hours of exploring the deepest, most dangerous biomes, so you can gather rare resources and unlock story beats without becoming a leviathan’s snack.
How to Identify Every Leviathan Subnautica 2 Creature (And Their Weak Spots)
Not all leviathans act the same, and knowing which one you’re dealing with can be the difference between a safe escape and a trip back to your respawn pod. First, the Shadow Leviathan is the most common deep-sea variant, found in biomes 200 to 800 meters deep. It’s fast, aggressive, and has a glowing orange sac on its underbelly that acts as its primary weak spot. A few well-placed plasma cutter hits to that spot will stun it for 10 seconds even without a stasis rifle, giving you plenty of time to flee.
The Ice Worm Leviathan spawns exclusively in the northern arctic biome, and it burrows under the ice to ambush passing vehicles. Its weak spot is the heat-sensitive glowing blue patches behind its head, so if you see it coming, aim for those patches to drive it off before it can destroy your sea truck. The third common variant is the Giant Squid Leviathan found in the twisted trench biome, which uses ink clouds to disorient you before attacking. Its weak spot is the soft tissue behind its large bulbous eyes, but it’s far faster than the other two variants, so avoiding it is usually a better call than fighting.
You don’t have to kill leviathans to progress, and even with fully upgraded combat gear, taking one down takes 10+ minutes of fighting and uses a ton of ammo. Most of the time, spotting them early and rerouting your path is far more efficient than picking a fight.
Essential Gear to Carry for Leviathan-Prone Deep Dives
You don’t need a fully upgraded combat loadout to survive leviathan encounters, but there are a few non-negotiable items you should never leave your base without, even for short dives below 150 meters. I keep all of these in my quick access slot at all times, and they’ve saved me from dozens of unnecessary deaths:
- Upgraded Stasis Rifle: The base model only freezes small creatures for 2-3 seconds, but the upgraded version can hold even a full-grown shadow leviathan in place for 12 seconds, giving you more than enough time to flee or hit its weak spot if you need to defend yourself.
- Sonar Module for Your Sea Truck/Submarine: This lets you pick up leviathan movement 200 meters away, so you can reroute your path long before you hear their roar. I keep mine toggled on permanently when I’m exploring biomes below 300 meters, and it’s saved me from at least a dozen surprise attacks.
- Emergency Oxygen Refill Tank: If a leviathan destroys your vehicle, you’ll often be stuck hundreds of meters from the surface with limited oxygen. Having a spare refill tank in your inventory gives you an extra 45 seconds of air, enough to make it to a nearby air pocket or surface even if you’re panicking.
- Noise Decoy Grenades: These are relatively cheap to craft (just 2 titanium and 1 sulfur) and will distract any leviathan for 10 seconds, drawing them away from your position. I keep at least 3 in my inventory at all times, even for casual resource runs.
A lot of new players skip the sonar module because they think it’s a waste of rare crystalline sulfur, but it’s far cheaper to craft than replacing a fully upgraded sea truck full of rare resources. I once tried to skip carrying decoys on a short run for lithium, and ended up having to swim 300 meters back to the surface while a shadow leviathan chased me the whole way. I never make that mistake anymore.
Safe Exploration Routes to Avoid Unnecessary Leviathan Encounters
Most high-resource biomes have low-risk paths you can take that almost completely eliminate leviathan spawns, if you know where to look. Last month I spent three hours mapping the twisted trench biome, and I only ran into one leviathan the entire time by sticking to the left-side thermal vent line, compared to the 5 I encountered in a 30 minute run through the center the week before. The vent line still has all the lithium and crystalline sulfur you’d find in the center of the trench, without the constant risk of giant squid attacks.
For the deep arctic biome, stay within 50 meters of the ice shelf edge when you’re gathering frost crystals. Ice worm leviathans only spawn in the open ice plains 100+ meters from the shelf, so you can gather all the resources you need without ever triggering a spawn. Never follow a leviathan if it swims away from you, more often than not, it’s leading you to a group of 2-3 more leviathans in a nearby nesting area. That’s a mistake I made early on that cost me a full inventory of rare alien artifacts I’d spent hours collecting.
If you see a cluster of glowing red root plants, that’s a leviathan nesting ground, so turn around immediately. Those areas have 2x higher leviathan spawn rates, and almost no unique resources to make the risk worth it. I only venture into those areas if I’m specifically collecting leviathan tissue samples for a story mission, and even then I bring extra decoys and a fully upgraded submarine.
What to Do If a Leviathan Attacks Your Vehicle (Step-by-Step)
Even with the best preparation, you’ll still get caught off guard by a random leviathan spawn every now and then. The worst thing you can do is panic, which is what 90% of new players do when they see a leviathan charge their vehicle. Spamming the boost button usually leads to you driving straight into a wall or another leviathan spawn, so take a quick breath and follow these steps first.
If the leviathan is within 20 meters and hasn’t bitten you yet, hit it with the stasis rifle immediately, then turn and boost in the opposite direction. Don’t waste time trying to attack it, just get as far away as possible before the stasis effect wears off. If it already bit your vehicle and your hull is breached, prioritize patching the hull first with the repair tool, even if the leviathan is still nearby. A hull breach will drain your oxygen in 10 seconds flat, which is a faster death than a second leviathan bite.
If your vehicle is completely destroyed, drop a noise decoy immediately as you exit the wreck, then swim straight for the nearest cover. That can be a cave, a large rock formation, or even a cluster of giant kelp, since most leviathans won’t follow you into tight spaces. Don’t try to grab all your dropped resources from the wreck first, you can always come back for them later once the leviathan has moved on, but if you die, you’ll lose everything if you don’t make it back to your body in time. I usually mark the wreck location with a beacon before I flee, so I can find it easily once the area is clear.
At the end of the day, leviathans are supposed to make the deep ocean feel dangerous and unpredictable, and you don’t have to fight every one you see to enjoy the game. With the right gear, a little bit of planning, and knowledge of their spawn patterns, you can explore every biome in Leviathan Subnautica 2 without constantly worrying about losing all your progress. Don't get discouraged if you get eaten a few times when you're first learning, even veteran players get caught off guard by a random leviathan spawn every now and then. Next time you head out for a deep dive, test out these tips, and you'll be surprised how much less stressful those deep-sea encounters feel.