Submerged: A Subnautica Survival Diary – Entry 15: New Horizons, New Problems

Submerged Entry 15: New Horizons, New Problems

Platform: Steam Deck
Game: Subnautica

Video: Lifepod 7 expedition, Cyclops breakthrough, and selecting the new base location (no commentary)

The first thing on today’s agenda was finally listening to the radio message I had completely forgotten about during the last entry. The signal came from Lifepod 7. The message itself was not exactly precise, but it did give me something useful to work with: approximately one kilometre from the stern of the Aurora, around 200 metres deep.

Valentino could reach that depth without too much trouble. The bigger issue was everything beyond it. If I wanted to keep pushing deeper into the ocean, I was going to need to improve the Seamoth’s depth capabilities properly.

Which meant another trip to the Jellyshroom Caves.

Back Into the Caves

By this point I know the route into the caves well enough that it no longer feels completely alien, although I still would not describe the place as welcoming. Giant glowing mushrooms, abandoned Degassi structures, and the general sense that the entire biome wants to swallow you whole does tend to ruin the atmosphere slightly.

While collecting Magnetite, I noticed a PDA I had somehow missed previously. The logs mentioned another Degassi base deeper within the caves, roughly 250 metres down.

Conveniently, that depth was perfect for Valentino.

Naturally, I went looking for it immediately.

The base itself was partially abandoned, partially destroyed, and still somehow more organised than anything Alterra has left me with so far. I moved through the structure scanning and looting whatever I could find. Amongst the debris were fragments for a Nuclear Reactor, which is potentially useful later, but the real discovery was something else entirely:

A Water Filtration Machine.

That is a massive upgrade for long-term survival. The idea of having a permanent source of clean drinking water inside the base changes things considerably.

Unfortunately, the universe immediately balanced this optimism by informing me the machine requires Aerogel to construct. I still have absolutely no idea how to make that.

So for now, the Water Filtration plans have been pushed onto the increasingly large “future problems” list.

The Stalker Tooth Problem

Returning to base, I turned my attention toward upgrading Valentino properly. The MK2 Depth Module required Enameled Glass, which meant gathering Glass and Stalker Teeth.

Quartz was easy enough to collect. Stalker Teeth were another matter entirely.

At first the Scanner Room refused to cooperate, so I switched the scan to Metal Salvage instead, figuring I could track the Stalkers themselves and wait for a tooth to drop naturally while they played with the scrap.

This approach did not work.

I tried patience. I tried following them around. I even tried encouraging the process slightly more aggressively by ramming them with Valentino and stabbing them with a knife.

Still nothing.

At this point I briefly convinced myself I probably needed a Stasis Rifle for the whole process and headed back toward the Scanner Room in defeat.

Then I noticed it.

The Scanner Room could scan directly for Stalker Teeth.

Suddenly the entire situation became significantly easier.

I switched the scan immediately, headed back outside, and found a tooth almost instantly. Apparently the solution to my problems was simply reading the Scanner Room properly instead of behaving like an underwater caveman for twenty minutes.

Valentino Goes Deeper

With the final materials gathered, the MK2 Depth Module was finally completed and installed into Valentino.

Maximum operating depth: 500 metres.

That is a very significant improvement over the previous 300 metre limit. The deeper parts of the planet suddenly feel far more accessible now, which is either excellent news or a terrible idea.

Probably both.

Lifepod 7

With Valentino upgraded, it was finally time to investigate Lifepod 7 properly. I checked the coordinates again and began making my way toward the stern of the Aurora.

The closer I moved toward the wreck, the more careful I became. I wanted to search thoroughly without drifting too far into open water, particularly considering what lives around the Aurora.

Unfortunately, the local Reaper Leviathan decided to introduce itself anyway.

The thing appeared out of nowhere and chased Valentino for a short distance before somehow losing interest. I still do not entirely understand how we escaped that encounter intact, but I was not about to question my good fortune.

And then, almost immediately afterwards, I saw something far more important resting on the seabed.

The final Cyclops engine fragment.

After all this time, the Cyclops blueprint was finally complete.

Which means I now have another vehicle to eventually construct. More importantly, I now have another vehicle that will eventually require a name.

The Lifepod and the Doll

Eventually I found Lifepod 7 itself, carefully matching the surrounding terrain against the photograph I had been given. Valentino had taken a beating during the earlier encounter, so I stopped briefly to repair the damage before entering the pod itself.

Truthfully, there was not much left inside worth salvaging.

There was, however, one unusual discovery.

A strange doll sitting quietly within the wreckage.

I could not pick it up directly, but I was able to scan it. After checking my blueprints later, it appears I can now build my own version of it.

Something about the doll felt strangely familiar though. It reminded me of someone from another underwater disaster involving another submarine.

If memory serves correctly, things did not end particularly well for them either.

New Base Location

Before heading home, I spent some time surveying the surrounding area carefully. The more I explored near the stern of the Aurora, the more obvious something became.

I need a second base.

The original Mushroom Forest base is still serving me well, but operations are slowly moving further and further away from it. The deeper I push into the planet, the more useful a forward outpost becomes.

Eventually I found the spot I was looking for.

Close enough to the Aurora to support further expeditions. Far enough from the deeper drop-offs to remain manageable. Dangerous enough to feel like a terrible idea.

Perfect.

I dropped a beacon into the seabed and gave it a name:

New Base Location.

That is right.

I am building a new base.

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Submerged: A Subnautica Survival Diary – Entry 13: Expanding the Operation

Submerged Entry 13: Expanding the Operation

Platform: Steam Deck
Game: Subnautica

Video: Base upgrades, Scanner Room expansion, wreck exploration, and Modification Station progress (no commentary)

Well, it has been some time since I last sat down to document anything properly, but that is not to say nothing has been happening. Quite the opposite, actually. I simply decided nobody needed to watch several uninterrupted hours of me digging through limestone chunks looking for copper and titanium while muttering at fish.

So before heading back out into the ocean properly, a quick tour of the base is probably in order.

Since the last entry, the place has expanded quite a bit. A few additional rooms have gone up, reinforcements have been installed, the Scanner Room is now fully operational, and perhaps most importantly of all, the base no longer feels like a temporary survival shelter waiting to collapse the moment the lights flicker.

I also finally got a Bioreactor up and running. At the moment I am using Bulbo Trees to keep it supplied, which means the plants are now serving three separate purposes at once: food, water, and power generation. I have accidentally built a surprisingly efficient underwater ecosystem entirely fuelled by leaves and poor decision making.

For the first time since arriving on this planet, the operation feels self-sufficient.

Scanner Room Operations

The Scanner Room has quickly become the centrepiece of the entire base. I still wanted one final upgrade for it though: another Scan Range Module. The idea of turning the thing into a giant underwater radar station was simply too tempting to ignore.

To put it to work, I set the scanner to search for limestone chunks. Technically I could have told it to search directly for Copper Ore, but during testing I realised the scanner mostly highlighted the larger deposits that require a Prawn Suit to drill into. That will be useful later. Right now though, I still needed copper the old-fashioned way.

The current objective was the Modification Station. I had already discovered a wreck during earlier exploration that supposedly contained the fragments I needed. Whether the Scanner Room would actually be able to find it once fully upgraded was another matter entirely, but I had a plan for that if things went wrong.

Return to the Jellyshroom Caves

Before heading for the wreck, I made a detour into the Jellyshroom Caves. I had already placed a beacon there earlier, which meant I could navigate directly back to the entrance without wandering around the ocean floor like a confused tourist.

The target this time was Magnetite. I already knew future upgrades would need it, even if I was not entirely sure how many. In Subnautica, the answer is usually “more than you currently have.”

The caves still feel wrong every time I enter them. The glowing mushrooms, the strange silence, the sense that the entire biome is quietly waiting for something unpleasant to happen. Still, the Magnetite was there, and after grabbing what I could carry, I headed back to base before the local wildlife decided I had overstayed my welcome.

Power Problems That Aren’t Actually Problems Yet

Interestingly, the Bioreactor has not really needed to do much heavy lifting so far. Most of the power demands are still being handled by the solar panels above the base. The reactor mostly sits there quietly, waiting for the day I inevitably expand this place into something far larger than originally intended.

Which, if I am being honest, is probably unavoidable at this point.

The 500 Metre Disappointment

Once the final Scan Range Module was installed, the Scanner Room finally hit its maximum range of 500 metres. Naturally, the first thing I did was set it to search for wrecks.

The wreck I needed was outside the range.

Of course it was.

Thankfully, I already knew roughly where to find it. Along the way, I stumbled across some kind of alien vent structure. I still have absolutely no idea what it actually does, but I scanned it anyway because that is apparently how I deal with ancient alien technology now.

The wreck itself sat just beyond the edge of the Mushroom Forest. Inside, amongst the twisted metal and scattered debris, were exactly the fragments I had been searching for.

The Modification Station was finally within reach.

Technology Recovery Operations

The wreck turned out to be far more useful than expected. Alongside the Modification Station fragments, I also recovered blueprints for a Reinforced Dive Suit and an upgrade module for the Cyclops. The deeper I push into this planet, the more obvious it becomes that the game expects me to start preparing for much harsher environments.

Most importantly though, recovering the Modification Station fragments meant one thing: the Seamoth MK2 Depth Module was now possible.

Well. Almost possible.

Back at base, I realised I was still missing a Computer Chip. Which meant I needed Copper Wire. Which meant another quick trip using the Scanner Room to locate limestone chunks because apparently every major technological breakthrough on this planet eventually comes down to me desperately searching for copper.

Still, after one final scavenging trip, the Modification Station was finally constructed and operational.

Future Plans

I am still debating whether this base eventually needs a second Scanner Room. My current theory is that if I expand the base far enough in the opposite direction, I could effectively create overlapping scan coverage and push the search range even further across the surrounding biomes.

At the moment, that is still just theory.

Next time though, the plan is clear.

I am returning to the Aurora.

The goal is simple: recover enough fragments to finally get a Prawn Suit operational. Because if this planet insists on hiding everything useful in increasingly hostile depths, I may as well start preparing properly for the descent.

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