Merge lore: spoilers page

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Aetheria/Spoilers.md

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+---
+title: Spoilers
+description: "What Elysium actually is. Read this only if you have decided you would rather know than find out."
+---
+
+# Spoilers
+
+**Stop here if you are playing, or plan to.** This page answers questions the setting deliberately leaves open. Nothing on it is hidden; Aetheria is open source, and you are free to read it. But the in-world pages keep these answers vague on purpose, and the game is more fun if you work them out yourself. If you contribute lore, read it so your writing stays consistent, then please don't spoil it for anyone else.
+
+Everything below is authorial truth. No character, faction, or document in Elysium knows it for certain, and in-world text should never state it outright.
+
+---
+
+## The field is anchored by the minds inside it
+
+The [[Worldbuilding/Post-Elysium/Concepts/Aether|Aether]] does not obey rules the way Sol physics does. It is anchored by the cognition of Elysium's residents, and it settles toward what those minds take for granted. Flat space holds where people expect it to. Exported [[Worldbuilding/Post-Elysium/Factions/Wavecrafters|Wavecrafter]] components work better where the public finds them plausible, which is why the masquerade around them is load-bearing.
+
+## Megiddo is half right
+
+[[Worldbuilding/Post-Elysium/Factions/Megiddo|Megiddo]] suspects that Elysium is not the creation humanity came from: a constructed world, perhaps a simulation, held together by its residents' attention. About the mechanism, they are right.
+
+They are wrong that there is a way back. No disclosure is coming that returns anyone to the old creation. Elysium is all anyone has, and so it is as real as it needs to be. The tragedy of Megiddo is not that its doubt is foolish, but that it is correct and leads nowhere: a fortress built to wait for an arrival that cannot happen.