Test of the Obelisk
From A Wiki in the Desert
University Text
The test of the Obelisk requires that you build the largest Obelisk of its kind for [your Faction].
You must exceed the current largest Obelisk by at least a single cubit. Also, you must retain the title of largest Obelisk that [your Faction] has ever controlled for at least 2 days 8 hours (for a Desert Obelisk.) while remaining inside [your Faction] territory.
For each additional region [your Faction] has the support of when the Obelisk is constructed, this time is reduced by 1 hour 7 minutes 12 seconds (again for a Desert Obelisk.)
By meditating on Obelisks (Tests Menu), you can sense what the various kinds of obelisks are, and the heights of the Obelisks that came before.