From Halopedia, the Halo wiki

Monitor Numbers[edit]

If the number of the Ark's monitor came just from a guess, then I would like to point out that 7 to the power of -1 is actually 1 over 7, and not zero.

Mechanized Overlord

The numbers of the Moniters of Installations 01 and 00 do not make sense, (01-1)^7 = 0 and (00-1)^7 is undefined.

The Purpose of Monitors[edit]

Just some rampant speculation, someone tell me if its just crazy, but I noticed on the transcrips of The Oracle (Level) that 343 Guilty Spark said that the Gas Mine "predates Installation Alpha by several hundred years." and at the same time, said he designed its outbreak management systems. It has also been said (Though i forget where) that the unsucessful research on the Gas Mine led the Forerunners to construct the Halos.


That could mean that 343 Guilty Spark was created before Installation 04 was ever thought of. Fans have thought for a long time that the Monitors were created to service the Installations, but if the Monitors were made before the Halos were ever though of, then the original purpose of the Monitors was not to service the Halos, but to simply combat the flood. It might seem unimportant, but it raises the possibility that there were many monitors created, for every flood research facility the forerunners ever made, and that seven of them were eventually repurposed to "monitor" the installations. so, there is some reasoning why a Monitor for the Ark could appear.

Another random thought: On Bungie's home page, the navigation bar on the bottom of both the Halo and Halo 2 sections contains a picture of a blue monitor (obviosuly 343 Guilty Spark) but the Halo 3 section has a grey monitor in that place. Is it possible that Bungie is considering a monitor for the arc? after all, they may very well not put another halo into the third game. The idea of fighting on a halo may be boring to them at this point. -ED 03:45, 3 August 2006 (UTC)

That could explain the great difference in the numbers of the Monitors, as well as the seven connection. If the number seven had some value in Forerunner culture, they could have chosen the Monitors for the Halos based on that. And I think there will be some fighting on or around Installation 05 because most of the characters were left there. I predict an Arbiter level based on securing the Brute-held cruiser 'Vadumee went after. However, I do agree with the idea of a Monitor at the Ark. --Dragonclaws 21:21, 21 August 2006 (UTC)

...and ramble on and on and on about the importance of the "Sacred Rings" with words I do not think he can even spell... --File:GRAW Wallpaper.jpg|35px]] Blemo progress-wheel.gif TalkContributions Semper Fi


Has anyone noticed that the first names of all Monitors is a word expressing negative feelings after doing wrong (Guilty;Penitent)?

Yes. I guess the Forerunners were quite repentant. --Dragonclaws 09:12, 2 September 2006 (UTC)

My friend thinks that the names of the monitors are all synonyms. Perhaps this is a good theory to note?--JohnSpartan117 03:23, 30 September 2006 (UTC)

While this conversation is over a decade old, this does not seem true any longer. "Ebullient" and "exuberant" are not negative, certainly not in the vein of "guilty" and "penitent" unless one takes "negative" to mean "undesirable" in some sense. --anon, 2019


I think the grey monitor seen in the Halo 3 page may 16807, because the order seemed to lead to it. Any thoughts? Gonk123 File:gnkst.jpg|20px]] (verobrain) 01:00, 9 October 2006 (UTC)

I reckon you're right, because if Halo 3 lets us play on another Halo (for whatever purpose) then we would presumably meet its Monitor. I agree that it could probably be the Monitor of Installation 06 (Halo 1 took place on Installation 04; Halo 2 took place on Installation 05; it seems logical that Halo 3 could take place on Installation 06).

The games started on the fourth installation. What about the ones before those if it goes in that order?--prophit of war 23:04, 25 November 2006 (UTC)

I just figured that out.

NO NO! dont you get it! the master chief went to the ark!! mabye the white moniter is its own moniter! The evil O,malley 05:53, 22 April 2007 (UTC)

Does anyone have a picture of this mysterious monitor, I can't seem to find it on Bungie's site. -- Avalon 05:02, 1 June 2007 (UTC)


I added the fact that the monitor's eye is the marathon symbol to the trivia section - if I was wrong to do so, mea culpam.Andrew-147 17:13, 6 February 2007 (UTC)

Combine all the Construct pages, or lengthen them[edit]

Cause' their short and boring...-- Black Mercy 01:37, 27 February 2007 (UTC)

Feel free to add any more details if you know them. -ED 22:04, 15 March 2007 (UTC)

First of all it never said that the monitor possesed shields.The monitor just appears to be indestructible but this is only in the game and even the game is'nt always a good source for everthing and where did you find the picture of a grey monitor?Halo3 21:20, 3 March 2007 (UTC)--Halo3

Remove the part about the shield if it doesn't sound right. And about the Grey monitor, the page says right there, its on the navigation bar of the Halo 3 section on -ED 22:04, 15 March 2007 (UTC)

I edited the article yesterday night.Halo3 20:06, 4 June 2007 (UTC)--Halo3

If I recall it is mentioned in Halo The Flood that when A.I age the develope a quirky attitude.This is basically what happens with 343 Guily Spark as we se he is pretty much an aged A.I resulting in him being very quirky in attitude.Now if I recall and if I'm not mistaken 2401 pentitent tangent did not posses the same quirky attitude.Keep in mind it is mentioned that aged A.I develope a quirky attitude after long periods of time.Now think about this,considering the fact that 343 guilty spark has a quirky attitude and that 2401 penitent tanget posseses little if any quirkeness at all,would it become safe to say that 2401 penitent tanget is younger that 343 guilty spark.Halo3 03:41, 10 June 2007 (UTC)--Halo3

Idea for the names of the Monitors[edit]

I looked up the meaning of Guilty Spark and Penitent Tangent. Literally if you put them in Lamen's terms it means this: Guilty Spark = guilty off-shoot; Penitent Tangent = innocent off-shoot. Coincidence? I think NOT!! (okay maybe coincidence) --File:Final Goji.jpg|30px]] Lordofmonsterisland "Roar to me" 23:25, 17 July 2007 (UTC)

The Colors[edit]

As of now we know of 2 moniters, 1 red 1 blue. But Halo is constantly using the number 7 and coincidently there are 7 colors in the rainbow. on this I think its safe to assume that the other moniters will be the various colors of the raindbow, and if there is a moniter of the Ark it could possibly be white. -Ergna 19:16, 13 September 2007 (UTC)-

Unbiased Judge?[edit]

Is this a made-up name or there are sources that confirm it?

--Felix-157 19:30, 20 October 2007 (UTC)

Same here. I want to know if this is fanmade or an actual name. And if it is the Monitor's actual name, well, there goes 49 Anomalous Matrix (my name for it). Sephirose

Or 49 Redeemed Vector -Felix-157 00:56, 21 October 2007 (UTC)

The Rainbow Theory is Shot[edit]

Notice anything interesting with 343 Guilty Spark after [SPOILER WARNING] he turns red, goes psycho, and kills Johnson? Looks a lot like 2401 Penitent Tangent to me...which gives way to several possibilities: Did PT go rampant in the past? Did he, too, try to protect his ring from being destroyed in a similar fashion? Maybe Installation 05 was destroyed too, and a replacement was constructed, and a similar thing happened in the past that happened in Halo 3, and PT went nuts and killed the reclaimer sent to light the ring prematurely! That MUST be it. I am a genius.

And yet a few naysayers have pointed out to me that GS goes red for a split-second when he fires his deathray-type beam, so maybe these musings are all for naught. But then again, that could mean that PT could have been stuck in "attack mode" when captured by Gravemind. What do you think?


A split second? What are they talking about? He stays red from the moment he fires his beam to when he talks to the Chief, turning blue for a bit, and then red again up until his death. He's read for the rest of game play. Kyouraku-taichou 23:40, 18 January 2008 (UTC)

Maybe a Monitors default color is Blue and they turn Red when they are in danger or are about to attack? That would make sense considering TP was captured by the Gravemind. Explaining why he's Red.


I thought the Monitors could attack, so why don't 343 Guilty Spark attack Tartarus when he was held by the Brutes? ΜΆŜΤΈŖČΗέÏΣΡΈΤΤΥОΓΓïČëŗ 13:42, 3 November 2007 (UTC)

Probably because Tartarus was a badass and was going to "rip your [343 GS] eye from it's socket," if he said another word. Really though, his beam probably isn't that powerful, just powerful enough to defend himself, if needs be, until help or Sentinels arrive. -- Dukester101 File:Us_flag.jpg|15px]] TALK 12:58, 13 November 2007 (UTC)

The monitor could even fend off the Arbiter and the MC alone, why couldn't he defend himself? ΜΆŜΤΈŖČΗέÏΣΡΈΤΤΥОΓΓïČëŗ 13:27, 13 November 2007 (UTC)

Maybe it's a violation of protocol? That seems to dictate his whole reasoning until "This installation is MINE!", probably caused by Rampancy or the Halo equivalent. --Dragonclaws(talk) 20:42, 13 November 2007 (UTC)

mabe proticol keeps it from using the beam unless of extreme flood contamination.BrentandParker

Development names[edit]

On the Halo 3 Legendary edition dvd, on the developers commentary Joseph Staten mentions the (joke) names of 2 other monitors; "7 Broken iPod" and "49 Fucking Lightbulb". I think it's mentioned during the credits of Halo 2. I don't know whether you want to include this or not because it's certainly not canon, but it was mentioned by Bungie. 14:35, 4 January 2008 (UTC)

Mendicant Bias[edit]

I notice that Mendicant Bias is listed as the Monitor of Installation 00. Now, while he was released into the Ark's systems by Truth and possibly able to gain control of its functions we don't know if he suddenly became the Monitor. Spark talks with another AI in one of the terminals, and this does not appear to be Mendicant but something else, perhaps the AI of the Ark. Does anyone have any thoughts about this? I don't know if he warrants Monitor status. Kyouraku-taichou 21:08, 16 January 2008 (UTC)

  • I noticed that Offensive bias is on the "Known monitors" section when Medicant is in the "Possible monitors" section. This doesn't make any sense as Offensive was sent to stop Medicant. So, if Offensive exists so does Medicant.--Odysseas-Spartan53|File:O-S-53.jpg|40px]] 06:34, 22 November 2008 (UTC)
We don't even know if either of them were Monitors. They sound much more advanced than the caretakers of the Halo's. --CoH|Councillor]] Specops306 - Kora UserWiki:Specops306|'Morhek]] 20:47, 3 December 2008 (UTC)
Oh, I understand. Its not about if they exist but if they are monitors. Ok, thanks.--Odysseas-Spartan53|File:O-S-53.jpg|40px]] 06:38, 4 December 2008 (UTC)
Still, they don't seem like monitors, and since Mendicant's number isn't a power of 7, he's probably not the Ark's monitor, since that would be monitor something 0. Arcdash 22:09, 19 February 2009 (UTC)

Penultimate Strike[edit]

Why does someone keep calling the monitor of 07 "Penultimate Strike" Can they confirm this? 02:57, 31 January 2008 (UTC)lovemuffin

8 colors for 8 monitors?[edit]

For one thing it is very likely that the Ark has a monitor. Why wouldn't it. Anyway my main topic is the eye color. Due to the fact that 343 Guilty Spark and 2401 Penitent Tangent have blue and red as their eye color it may be possible that all monitors have their own invidivual eye color. And since there are technically 8 installations (including the Ark) it may be possible that each monitor has one of these colors: Red (2401 Penitent Tangent), Blue (343 Guilty Spark), Yellow, Green, Violet, Orange, Black, and White. ImmortalJoshua

That was the theory we had when we saw Halo 2's cutscene.. but Halo 3 disprove this theory as we see that Monitors would go into Red when threatened. The reason why Halo 2 didn't show these colour changes could be because Bungie didn't had the time to program Penitent-Tangent to change his colour to blue. (I believe the map you said is Backwash).- 5əb'7aŋk(7alk) 14:51, 12 May 2009 (UTC)
In your last edit summary, you mentioned Backwash. How do you know he wasn't in combat mode then? The level description implies that the Flood is nearby. Canonically, he is captured by the Gravemind. His eye, like Spark when he got angry (so what if it was in Halo 3 - same storyline!), was red at that point. You're saying that it "may be possible", but you have no proof whatsoever, aside from the two Monitors shown in-game - and we already know that they change over to red when they get pissed off.
Also, black light is UV (ultraviolet) light, which isn't usually visible to the naked eye; it wouldn't make too much sense for a Monitor to have UV light as an eye color. 14:57, 12 May 2009 (UTC)
It may be possible that Penitent's color is red by default ImmortalJoshua
Again with the "It may be possible". It may, it may not. In every single one of your speculative edits, your wording denotes uncertainty - you sound really unsure of your own hypotheses. Maybe you should check them and look for some actual proof so you don't sound so uncertain when trying to speculate on something. 15:02, 12 May 2009 (UTC)
Hopefully that Halo Bible will be released someday so that we can put all this speculation to an end. But this theory of mine has no doubt in my mind. I'll try to come up with a diagram explaining it. ImmortalJoshua
I doubt that will even do it. Are you sure it has no doubt in your mind? That's not what your text says. 18:14, 12 May 2009 (UTC)

I am 100% faith in my theory. Along with my other theories that I've posted up. ImmortalJoshua

No, you don't. If you did have "100% faith" in your "theory", you would sound a lot more certain - and you'd have more conclusive proof. All I see is baseless speculation, full of uncertainties, out of you. My suggestion to you is to go fix yourself - learn how to research and come up with real proof and not more crackpot hypotheses - and don't friggin' speculate on something that's not even out yet! 14:42, 13 May 2009 (UTC)
What other theories? Can you list them?- 5əb'7aŋk(7alk) 14:46, 13 May 2009 (UTC)


Guilty Spark did NOT go rampant. His programming told him to protect his Halo at any cost, and that's what he did, just like in Halo 1.

He did, don't you think stopping the Flood would have higher priority than saving his little ring? And by the way, sign your posts. H91 17:33, February 24, 2010 (UTC)
He was also programmed to protect the reclaimers and help them activate the ring. Having to ignore the last two to keep it intact shows that he has gone against his programming. He did nothing of the sort in the first game, anyway - he was hunting down John and Cortana because AI constructs aren't allowed in the computer core. Hell, he only tried to stop the detonation of the Autumn directly once - the rest of his time went to trying to stop it by telling John that the information in the ship's computer would be a waste if it was destroyed.-- Forerunner 17:50, 21 December 2010 (EST)

Guys! Spark Wasn't Rampant! Read this!! "343 Guilty Spark is the Monitor of Installation 04 and was created by the Forerunners! After the Forerunners were assaulted by the Flood they created the Halo Array to destroy the Flood. The Forerunners set up Monitors to oversee the Halo Installations and to control Sentinels incase of a Flood out brake. To insure that the Halo's wouldn't be destroyed very easily is that they only provided the Monitors with enough information to maintain the Halo installations. And if they were to fall into the hands of the Gravemind they would not have the location of the other installations. And to help these Monitors if they fell into the Gravemind they were programed to stop the Flood at all costs. And they also had a protocol that stated that if even a tiny wire on the ring got a tiny bit damaged the Monitor was to send at least 12 Constructors to examine, repair, see what caused the problem, send it back to a more intelligent computer, then that computer must type an at least 1,000 page report on it, then send that to a higher up Computer, then that computer analyzes it and fixes errors adds things and so forth, then it gets sent to a higher computer, then a higher one, then it gets sent to the Monitor of that Installation. The Monitor then examines it, then right a "simple" program about it(this simple program is so advanced it would take 500 normal computers to barely process it). It then sends it out to the Sentinel Constructor Factories to implement in all future Sentinels so they would know about this. The Monitor also sends all knowledge of this incident to the Knowing. They would also destroy every Flood Spore in an area. And if they didn't account for every microscopic Flood Spore then that whole area was destroyed. And another thing as I said above is that the Halo rings must be at perfect condition at all times in case of a Flood out brake. And the Monitor will do anything to make sure that the ring is always ready to fire. One particular example accord on Installation 08 when Avery Junior Johnson attempted to activate a partially constructed Halo. The Monitor of that Installation 343 Guilty Spark witnessed this. And 343 Guilty Spark couldn't let this happen. Because 343 Guilty Spark knew that it could destroy the Ark and then there would be nothing to make large-scale repairments to the Installations. And that would go against protocol and eventually all the Installations will need large-scale repaiments and there would be nothing to make the replacements! And then if there was a Flood out-brake the whole UNIVERSE could become consumed! So in order to preserve the Ark and the whole Universe 343 Guilty Spark attacked Avery Junior Johnson and successfully stopped this threat that could destroy the whole Universe and put his makers to shame. Unfortunately, soon afterwards, 343 Guilty was "deactivated". The Ring was forced to fire and the Ring was torn apart. The current status of the Ark is unknown, there is a 100% chance that the ring is severely damaged." Vegerot (talk) 17:43, 23 December 2010 (EST)!!!!!

Bump, what do you think?Vegerot (talk) 16:07, 2 March 2011 (EST)!

Defensive Repulsor[edit]

When you begin fighting Guilty Spark (before Johnson shoots him) Spark is able to push you back with an orange wide cone-shaped ray. Shouldn't this be in his list of weapons or abilities? Do we know any more about this besides the fact it can not just resist or stop, but push back, a Spartan-II in MJOLNIR? SquirrellyOtter 04:36, March 13, 2010 (UTC)

Move to Ancilla/Monitor.[edit]

Look in the history and you will see my reason. (To Subtank: Happy? /nosarcasm))Vegerot (talk) 16:15, 2 March 2011 (EST)!!!!!

On most wikis, five hours is not an appropriate wait time. And personally, I think that Monitor can stay at it's original page. This is what they're called in Cryptum, and what they're called in the game. I see no reason to make this a subpage about the overall Forerunner AI term. If we did, we'd have to move "Smart" AI to Artificial intelligence/Smart AI, which seems really pointless. And for the record, I never actually saw you say why we should move this in the first place. -- SFH 16:27, 2 March 2011 (EST)


Can anybody make out the full name of monitor 049, the orange one? It sounded like Adject Testament, but I am unsure.--Chris talk 14:16, 26 August 2011 (EDT)

I believe Spark identifies his fellow monitor as 049 Abject Testament. This would match the naming scheme of Guilty Spark, Penitent Tangent, and Mendicant Bias (who was not actually a monitor). --Courage never dies. 14:29, 26 August 2011 (EDT)