Version
This article is for the PC version of Stellaris only.
Event chains
The Doorway is a colony event chain that has a very small chance to trigger 2 or 3 years after any colony has been founded. It offers either mutually exclusive paths, determined at random, or the Plight of the Beta-Universe situation, which the IDs for the events in the event chain are 9800, 9805, 9810, 9815, 9820, 9821, 9822, 9840, 9850, 9851, 9855, 9860, 9865, 9866, 9870, and 9875,
If 
Overlord is installed the event can also be triggered by the Sign of the Visitor situation.
The Doorway
What can only be described as a dimensional portal has been discovered in a remote location on [colony name]. Weather prediction algorithms noticed a strange air current, which was eventually determined to be caused by the slight leakage of atmosphere into the portal. The rate of loss is far too small for it to make any difference to life on [colony name], but the very existence of this portal raises some disturbing questions, such as where does it lead to, and could something come through the portal from the other side?
Trigger conditions:
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Mean time to happen:
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 Intriguing.
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The special project leads to a random choice of the following events:
- “A Dimension of Suffering”
- “High-Energy Dimension”
- “The Null Void”
- “Mirror Mirror”
- “A Dimension of Static”
The chance of each is equal, except the last has half the probability of happening and can't happen if any of the following is true:
- the empire's homeworld is artificial (habitat, ring world, shattered ring, ecumenopolis, hive world, machine world, or relic world)
- the empire doesn't own its homeworld
- the empire has had this outcome before
- the empire isn't a player
A Dimension of Suffering[]
A Dimension of Suffering
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
The below description is one of several available for this event.
The Dimensional Portal on [colony name] seems to lead to a realm which is opposed to the sapient mind on a fundamental level. Any and all contact with material from this dimension causes intense suffering in the subject, which if continued for more than a few minutes leads to intense suicidal urges coupled with attempts to mutilate their sensory organs. Even simply studying data recorded in the strange dimension causes intense discomfort in the biological observer, and cascading errors in computer systems.
| Trigger conditions:
The Doorway |
Is triggered only by:
Finishing the Probe the Dimensional Portal on [colony name] special project |
Option conditions
 Find a way to close the portal!
 Try filling the portal with rocks!
  Pray for a solution
 Perhaps Psionics is the solution?
 Send our best knight in!One of the following at random:
Study the Portal
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Doorway Closed (science)
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
The Portal was determined to be able to handle almost unlimited energy input, but the key word is "almost". By generating energy at an unprecedented scale and continuously bombarding the Portal, it was eventually possible to cause it to overload and collapse in on itself. Needless to say, the generation of vast amounts of energy has the potential to be useful in other areas.
Trigger conditions:
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Is triggered only by:
Finishing the Close the portal! special project |
Excellent.
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Doorway Closed (rocks)
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
Sometimes a simple answer is the best answer. After blasting several mountains into gravel and dumping the result into the portal, it seems to have been overloaded. Or, perhaps, was deliberately shut down. Regardless, the remaining material was dumped on top of the site in case it ever re-opens. The experience of such a large engineering and mining project will also prove useful in other areas.
Trigger conditions:
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Is triggered only by:
Finishing the Close the portal! special project |
Excellent.
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Doorway Closed (prayer)
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
The below description is one of several available for this event.
The Portal seemed to react in some way to the thoughts of nearby observers, some more than others. Through a process of elimination it was possible to find a large number of people who were especially potent at influencing the Portal, and together they were able to effectively will the Portal to close. The experience was enlightening and provides strong evidence that it is possible to harness and direct belief in tangible ways.
Trigger conditions:
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Is triggered only by:
Finishing the Close the portal! special project |
Excellent.
The Portal site can still be studied, but it will provide less useful data. | |
The Dark Knight
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
Knight [random name], whom we sent through the portal on [colony name] years ago, has returned. Twisted and darkened, [he or she] led a host of horrors through the portal and immediately assaulted our colony. Survivors reported hearing [him or her] erupt in a demonic cackle, claiming [he or she] would soon conquer this dimension.
Trigger conditions:
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Mean time to happen:
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Sound the alarm!
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Daemonic Incursion
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
The horrors that Knight [knight name] led through the portal have breached our defenses and conquered [colony name]!
Possessed by a major dimensional being and now titling [himself or herself] as [Lord Purifier or Lady Purifier] [ruler name], [he or she] has called upon [his or her] demonic forces to begin the conquest of our galaxy!
Additional portals briefly opened throughout the system, but the strain on reality was too great a burden. All the singularities soon collapsed, severing the demonic host from their home dimension. Undeterred, [ruler name] is now consolidating [his or her] power base before proceeding with [his or her] plans of galactic conquest.
Trigger conditions:
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Is triggered only by:
Losing the battle against the demonic armies |
Immediate effects:
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We shall defeat these invaders! For the glory of [ruler name]!
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| Effects after selecting any option:
Removes the | |
To Hell and Back
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
Knight [random name], whom we sent through the portal on [colony name] years ago, has returned. [he or she] bested many a challenge, felled countless fiends and narrowly avoided [him or her] doom, but ultimately, nothing could stand in [his or her] way. [he or she] brought back many trophies and has become a legend amongst the squires, who have begun calling [him or her] "Doomslayer".
Trigger conditions:
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Mean time to happen:
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Doomslayer is truly brave, ferocious and gallant!
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Dimensional Refugees
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
The portal on [colony name] where we sent Knight [random name] years ago is showing intense signs of activity as ragged civilians appear to be attempting to cross into our dimension. They report that Knight [knight name] has been rampaging in their dimension for a decade now, mercilessly slaughtering everyone crossing [his or her] path. [He or she] slew so many inhabitants of that dimension that a doom has befallen their society. The survivors are trying to flee anywhere they can. Could the existential pain caused by this dimension have driven [knight name] to madness?
Trigger conditions:
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Mean time to happen:
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Slay the invaders!
They are welcome to stay.
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High-Energy Dimension[]
High-Energy Dimension
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
The Dimensional Portal on [Root.GetName] leads to a dimension of pure energy, a small amount of which can be siphoned through the portal for our own use. The procedures used to handle discrete "packets" of energy also have potential use as a weapons system.
Trigger conditions:
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Is triggered only by:
Finishing the Probe the Dimensional Portal on [colony name] special project |
Fascinating.
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The Null Void[]
The Null Void
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
The Dimensional Portal on [colony name] leads to a dimension of pure entropy. It is difficult to even get sensor readings because the very energy of our pings is rapidly dissipated. Our best theory is that this "Null Void" is a dimension where the majority of zero-point energy is negative and so any positive energy which was once present has long since been used up. Knowing this, it might be possible to construct a weapon which can use the Null Void's energy destruction offensively.
Trigger conditions:
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Is triggered only by:
Finishing the Probe the Dimensional Portal on [colony name] special project |
Fascinating.
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Probing the Void
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
After years of study, some researchers on [colony name] are beginning to feel they understand the Null Void. There are... currents. Forces. Some flow which gently pushes against the portal to [empire name], bringing the traces of Dark Matter we are able to collect. In theory it should be possible to make our portal more "visible" to this force, which should result in a larger harvest.
Trigger conditions:
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Mean time to happen:
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Intriguing.
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Calling the Void
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
A vast signal amplifier has sent a blast of energy through the portal on [colony name]. The effect was immediate, the pressure on the far side of the portal is noticeably stronger, and with it comes an increased flow of Dark Matter.
Trigger conditions:
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Is triggered only by:
Finishing the Probe the Void special project |
Excellent.
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Mirror Mirror[]
Mirror Mirror
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
Strangely, the Dimensional Portal on [colony name] seems to connect to a planet which looks very much like [colony name]. Stranger still, there's a signal being broadcast to us through it...
Trigger conditions:
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Is triggered only by:
Finishing the Probe the Dimensional Portal on [colony name] special project |
Put it on screen!
 **Access Signal**
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Portal-Alien Communication (message 1)
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
The below description is one of several available for this event.
This is [leader name] of the [empire name]. Who are you, Portal-aliens?
Trigger conditions:
The room and leader portrait in this diplomatic event are the same as the player empire's. |
Is triggered only by:
the event “Mirror Mirror” |
No, *I* am [leader name]! Who are you?! Trigger diplomatic event “Portal-Alien Communication” (message 2) Checksum error: invalid ID! This is [leader name]! Identify!Trigger diplomatic event “Portal-Alien Communication” (message 2) | |
Portal-Alien Communication (message 2)
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
The below description is one of several available for this event.
Fascinating. If what you say is true, I think this portal bridges the gap between alternate dimensions. We are both the [Root.Owner.Leader.GetName], but at some point an event must have caused our respective dimensions to diverge.
Engage in a conversation comparing the development of the two empires. Eventually the option to trade will be offered again.
- "I was about to suggest that myself, for the benefit of all [Root.Owner.Species.GetNamePlural]!"
- Planet gains the Inter-Dimensional Trade modifier
An uncalculated variable. Report status of alternate [Root.Owner.Species.GetNamePlural]!Engage in a conversation comparing the development of the two empires. Eventually the option to trade will be offered again.
Initiate trade.- "Affirmative."
- Planet gains the Inter-Dimensional Trade modifier
Trigger conditions:
The room and leader portrait in this diplomatic event are the same as the player empire's. |
Is triggered only by:
the event “Portal-Alien Communication” (message 1) |
{{{options}}} | |
After trade is initiated, a five year event pulse gives a chance to change the level of trade, changing trade-related yields from Dimensional Portal Researchers accordingly.
| Modifier | 
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Decrease | No change | Increase |
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| Inter-Dimensional Crisis | 2 | 2 | – | – | – |
| Reduced Inter-Dimensional Trade | 3 | 4 | 40% | 40% | 20% |
| Inter-Dimensional Trade | 6 | 6 | 12.5% | 75% | 12.5% |
| Booming Inter-Dimensional Trade | 12 | 8 | 16.66% | 50% | 33.33% |
Inter-dimensional Trade Increases
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
The Mirror-Dimension [empire name] reports that their economy is booming. Contributing factors mentioned were our Portal Trade, as well as recent victories over the Warp beasts.
Trigger conditions:
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Mean time to happen:
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Excellent.
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Inter-Dimensional Trade Decreases
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
The Mirror-Dimension [empire name] reports that their economy is in decline due to a series of defeats at the appendages of the Warp beasts.
Trigger conditions:
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Mean time to happen:
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Hopefully they will recover!
[empire name] will prevail!
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EMERGENCY PORTAL BROADCAST
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
The below description is one of several available for this event.
[capital planet] has been consumed. The [empire name] has fallen. As far as we know, [colony name] is the last remaining colony. The Warp beasts are everywhere! They are here!
**The signal abruptly ends**
Trigger conditions:
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Mean time to happen:
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They are gone... Remove the Inter-Dimensional Crisis modifier Mirror Universe [species name] offline.Remove the Inter-Dimensional Crisis modifier | |
A Dimension of Static[]
A Dimension of Static
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
The Dimensional Portal on [colony name] shut itself. When we stabilized the portal, we saw that it led to a dimension consisting solely of a white, formless void interrupted only by random streaks of black noise. The strange phenomenon instantly started to seep into our universe and consumed our dimensional stabilizers, collapsing the gateway.
The portal, static, and dimensional stabilizers have all winked out of existence simultaneously. Nothing was left behind; not even trace particles. If the portal hadn't been unstable, who knows what kind of disaster might have occurred here.
| Trigger conditions:
The Doorway |
Is triggered only by:
Finishing the Probe the Dimensional Portal on [colony name] special project |
Disconcerting.
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Disruptions
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
Recently our [researchers] working in our primary physics lab on [homeworld name] have noticed strange fluctuations in their work. Our hyperdrive-related tests suffered most from these interferences, yet these interruptions only went on for about a week before stopping entirely. At the same time [From.GetName] noticed fluctuations from the now closed dimensional portal, thankfully the impossible static did not return. Hopefully, nothing will come of this.
| Trigger conditions:
A Dimension of Static |
Mean time to happen:
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Back to work. Trigger event “Negative Mass” in about 200 days We should investigate this. Trigger event “Negative Mass” in about 150 days | |
Negative Mass
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
Eager and anxious discourse started in the scientific circles of [homeworld name] today as [scientist] published [his/her] recent findings of spontaneously appearing negative mass particles close to [capital star].
"These findings could advance our understanding of artificial wormholes and a host of other subjects," proclaims [scientist]!
Our Admiralty holds a different view on the subject and suggests we bring our fleets home until the source of this new and untested matter can be determined.
| Trigger conditions:
Disruptions |
Mean time to happen:
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Immediate effects:
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Fascinating.
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The Night the Sky Split
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
The below description is one of several available for this event.
The greatest minds of the [empire name] gathered today to listen to [scientist]'s latest ideas for using the negative mass particles, only to be interrupted. Emergency sirens screeched in every observatory and space station across the system as [homeworld name] got a new fixture in the night sky. A rip in space the size of our star stretches over horizons while a small fleet of fighters pours through the tear.
| Trigger conditions:
Negative Mass |
Mean time to happen:
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| Immediate effects:
A portal appears near the capital's star | |
Battlestations! A hostile fleet with six Outdated Corvettes belonging to the Portal Invaders appears near the portal. The ships have tier 1 equipment and no FTL drive. | |
An Old Code
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
The below description is one of several available for this event.
As the last corvette falls, an ensign manning the sensors of our starbase reports something curious. These ships are very similar to outdated vessels that the [empire name] stopped using years ago. The ships are lacking FTL drives and are equipped with obsolete weaponry. While the report is coming in, a communication request originating from the strange tear reverberates throughout the system. It's using our highest clearance codes... from 10 years ago.
| Trigger conditions:
The Night the Sky Split |
Is triggered only by:
defeating the Portal Invaders' fleet |
| Immediate effects:
A portal appears near the capital's star | |
On screen. After a dialogue (“A Trans-Dimensional Call”), trigger diplomatic event “The Summit” after about a year **Access Signal**After a dialogue (“A Trans-Dimensional Call”), trigger diplomatic event “The Summit” after about a year | |
The Summit
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Please help with verifying or updating this infobox. It was last verified for version 3.10. |
The below description is one of several available for this event.
A summit of the top minds from every field gathered on [colony name] to discuss the fate of our dimensional twins. Harsh and difficult debates were had throughout [homeworld name]. Some suggested a hands-off approach. Studying the end of a universe could be very insightful. There was talk about granting [scientist]-Beta's request to evacuate as much of the planet as possible while some mentioned how easy it would be to take whatever precious resources and energy stores the planet had left.
Just as the summit was winding down, [scientist] took center stage and declared that [he/she] believed that using the new technologies brought from the beta universe, there was a chance to bring the entirety of [homeworld]-Beta into our reality.
| Trigger conditions:
event “An Old Code”, after a dialogue |
Mean time to happen:
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Study the event.
Loot them.
Save as many as possible.
Try to bring [homeworld]-Beta to us.
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