Sealing the Spatial Magic Core

Quest DiadCategory:Diad (Quest Type)	Quest DiadCategory:Diad (Quest Type)	Quest DiadCategory:Diad (Quest Type)
 	 	
Both versions of this quest need the same thing:
:Use the to seal the 
According to Zaqes on the US Forums, this is behind the last boss in the zone. Kill the boss then go down the hall behind him to find the and click on it.
All quest diads start with the non-repeatable quest, which unlocks the repeatable quest.