^ There was indeed a powerful Sith shrine on Coruscant -- and as you said, the Jedi actually built their Temple directly over it.
The shrine was so powerful, in fact, that it actually served to help weaken/corrupt the Jedi Order for all those thousands of years since their Temple's construction, without them ever realizing such:
...So Palpatine obviously had nothing to fear from the light that had once existed on Coruscant.
__________________ RealistRacism: "Sheevites, much like the Banites, were meant to increase in power with each member. From Lightsnake to Gideon to Azronger, this was supposed to be the case. However, knowledge must've been lost in some kind of Gravid-like incident, as Az turned out to be a mid-tier debater with a sub-par track record, sh!itting all over Tempest's legacy. Sad."
Registered: Jun 2016
Location: The Throne of the Sheevites
Nah, in Legends, the effects of the Sith shrine have never been mentioned to have any significant effect, and the RotS novel itself confirms the Jedi Temple to be a lightside nexus. I think another source states Coruscant is a lightside nexus too.
So Sheev and Vader were hindered during their residence and fighting there
Sithisis confirms what has been said in the canon.
__________________ RealistRacism: "Sheevites, much like the Banites, were meant to increase in power with each member. From Lightsnake to Gideon to Azronger, this was supposed to be the case. However, knowledge must've been lost in some kind of Gravid-like incident, as Az turned out to be a mid-tier debater with a sub-par track record, sh!itting all over Tempest's legacy. Sad."
At a time when there was a Temple full of hundreds/thousands of Jedi, light was obviously the predominate and prevailing force that could be sensed on Coruscant. While the Sith shrine buried beneath was powerful enough to seep into the Temple and help weaken/corrupt the Jedi for thousands of years without them ever suspecting such, it certainly wasn't powerful enough to completely overcome *that* much light on its own.
So no, Coruscant being regarded exclusively as a light side nexus prior to the crescendo of RotS still makes sense, all things considered.
1. How the visuals are portrayed
2. It's a closed chamber that looks very Sith-y
3. Palpatine was using a Dark Side/Sith crystal to get the aid of Chaos spirits to fog the Jedi's foresight
__________________ RealistRacism: "Sheevites, much like the Banites, were meant to increase in power with each member. From Lightsnake to Gideon to Azronger, this was supposed to be the case. However, knowledge must've been lost in some kind of Gravid-like incident, as Az turned out to be a mid-tier debater with a sub-par track record, sh!itting all over Tempest's legacy. Sad."
No, I don't think Light Side nexuses exist, purely because nexus's are created by violent acts of murder or power through the Force. I answered a similar question regarding if the Tatooine Tusken Camp where Anakin slaughtered all the Sand People was a nexus. I originally said no, but now I say yes. It was a nexus. A small nexus, but a nexus nonetheless.
True, but the RotS novelization is still canon, no? Because it does indeed regard the Jedi Temple on Coruscant as the greatest light side nexus in the Order:
Hence my previous response as to why light could have still been the predominate/prevailing force on Coruscant, despite an active(and quite powerful) Sith shrine existing below the Temple. /shrug
__________________ RealistRacism: "Sheevites, much like the Banites, were meant to increase in power with each member. From Lightsnake to Gideon to Azronger, this was supposed to be the case. However, knowledge must've been lost in some kind of Gravid-like incident, as Az turned out to be a mid-tier debater with a sub-par track record, sh!itting all over Tempest's legacy. Sad."
SO do you guys think the presence of Sidious + it being built over a potent dark side shrine would have been been the driving forces that converted the temple into more of a dark side nexus after ROTS?
In Legends, it was not his presence. It was his dark side rituals he conducted in that Sith shrine with the aid of the Sith ghosts.
__________________ RealistRacism: "Sheevites, much like the Banites, were meant to increase in power with each member. From Lightsnake to Gideon to Azronger, this was supposed to be the case. However, knowledge must've been lost in some kind of Gravid-like incident, as Az turned out to be a mid-tier debater with a sub-par track record, sh!itting all over Tempest's legacy. Sad."