>>5944639I appreciate the feedback and it did make me double check to see if it would be possible. even made me look at stuff like if Sangheli blood would possibly even go for oxygen detection instead of carbonic acid presence in blood evolutionarily. though I think it still is reasonable the plan for these points as counter arguments.
1: indeed, covenant ships would likely have constant atmospherics monitoring. but just like any system able to give false negatives, they could be turned off as part of the cyber attack by being flagged as a false alarm. since it would also be stupid to not have overrides on these systems in cases where the crew deems the ship diagnostics to be wrong. if anything the attack itself could be done by just...saying the oxygen content of the ship is too high to the sensors inside. and letting it slowly flow more and more nitrogen into the ships air as it tries to compensate. not triggering an alarm because it see's it as a normal action done on any other voyage without having a concept of it being a trick. as covenant ships especially aren't used to fighting using electronic warfare. most wars in covenant history have after all been done with massive naval superiority or on ground only.
2: yes, there is indeed EVA suits for covenant, but in looking through any and all mentions of it. basically all combat suits for the Sangheli except the ranger and flight battle harnesses have no mention of being airtight. with most battle harnesses even showing the open mouth of the Sangheli in question. and with the fact that personal shields don't keep air within the users personal space, i think we can safely say that most of not nearly all Sangheli on the ships in question are probably susceptible to asphyxiation if the atmosphere was replaced with nitrogen. only Sangheli which would be left would likely be Fleet security personnel as they would be using Ranger harnesses. but to my knowledge these rangers wouldn't have either the clearance or numbers to be able to do anything inside the ship after nearly all other personnel has fainted. since they were more dedicated to a on board Marine like role than they were like Oni spooks. though indeed they would still be a possible thread. otherwise the kig yar have also been shown to have EVA capable suits and the grunts as well. but these two grounds would also be the ones least likely to both know how to, and have the clearances to helm the ship in case of every Sangheli falling down dead on the floor.
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