Questions raised:
1. Is the Darkness Beyond Time omnidimensional or unidimensional?
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1. Darkness Beyond Time
Possibilities:
A) Belthasar was exaggerating slightly, or we're misinterpreting him; the Time Devourer can only devour its own dimension, and the Darkness Beyond Time is omnidimensional, serving as receptacle for all timelines in all dimensions..
B) Belthasar was exaggerating slightly, or we're misinterpreting him; the Time Devourer can only devour its own dimension, and the Darkness Beyond Time is unidimensional, serving as receptacle for all timelines from its home dimension.
2) The DBT is the same for all dimensions, and the TD only exists once within it. Serge defeated the one TD, so that's that.
3) The DBT is unique to each dimension, and multiple TD's exist. Through some quirk of fate/probability, there is a 100% chance that if the TD is created, it will be destroyed.
4) The DBT is unique to each dimension, and multiple TD's exist. One of them will eventually (along its own perpendicular time axis) devour everything. However, the timelines we see are not yet at that "time," and will exist until that "time." Since some form of "time" must flow for the TD, it can only devour timelines from a certain "time" on. We're screwed, but we'll never know it.
5) The DBT is unique to each dimension, and multiple TD's exist. One succeeded in devouring all of reality. This game is just what would have happened if it hadn't.
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Discussion
That is mostly correct; however, probability negates that and suggests that there is only one Darkness Beyond Time per dimension or dimensions that exist as branches of one another. Surely, if infinite dimensions exist, and one Time Devourer who could destroy them all could come about, would not the universe already be destroyed? That is why I believe there is one DBT per dimension or dimensional branch, and that timelines change and exist within a parent dimension. Crono never split the dimensions of the Keystone, or Another dimension, but simply rewrote time. Only the act of saving Serge somehow caused the dimensions to split, whereas the Reptite Dimension and Radical Dreamers Dimension are separate possibilities completely which do not branch directly from the others as Home World does from Another.
This is why I believe the word 'dimension' in the Chrono series should be thought of as representing moreso tangible universes than just possibilities. "All space-time" is limited to one dimension.
The limitation of the DBT per dimensions or directly branched dimensions is evidence by the fact that otherwise, infinite Lavoses and Schalas would be sent to the Darkness Beyond Time in conditions favorable for forming Time Devourers, meaning an infinite number would exist, and that eras from the Chrono series world float by in transparent spheres while one is at the DBT.
Lastly, dimensions simply cannot be transcended; under the word 'universe' they are the highest categories, universes in themselves which cannot be crossed or visited save by a Missing Piece responsible for the branching of a dimension off another or by an Entity/planet (the latter falls under the Time Crash, which itself is a total enigma). I believe that this effectively limits Belthasar's statement that the Time Devourer will consume all space-time; in all likelihood, it can only consume what exists in its own dimension and universe, as it seemingly has no way to access other dimensions. Additionally, it would be consuming an infinite amount if it were to devourer every dimension.
But wait, isn't that message you hear in Chronopolis involving Kid talking to Serge and I think Magil (sp) and saying that Lynx had better say his prayers etc. occuring in another dimension? If so, wouldnt being able to hear that message imply a connection to other dimensions?
Heh, I think that the battle with the TD would have been a lot cooler if in the background you could see other Serge and Co. parties fighting other TD. and during the battle could see it being defeated and such. It would look like a war with so many elements being used at once.