Plot twist... Selenic Shadow is the twisted nightmare version of Calm Halcyon Byrd's most feverish dreams...
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Just kidding... :-b
I think "Xyrinfe Shadow" will also be a part of the timeline, taking place billions of years before Minerva (the first Valkyrie) was created in the Alfarnos universe...
As far as I can tell, XS takes place in the first universe, and is highly advanced...
I like the idea of the final boss being the Greater Overseer... and the heroine replacing him...
We need more histories...