WorldTag:Sealed Menace

Description Something on this planet has the potential to create enormous havoc for the inhabitants if it is not kept safely contained by its keepers. Whether a massive seismic fault line suppressed by pretech terraforming technology, a disease that has to be quarantined within hours of discovery, or an ancient alien relic that requires regular upkeep in order to prevent planetary catastrophe, the menace is a constant shadow on the populace.
Enemies Hostile outsider bent on freeing the menace, Misguided fool who thinks he can use it, Reckless researcher who thinks he can fix it
Friends Keeper of the menace, Student of its nature, Victim of the menace
Complications  The menace would bring great wealth along with destruction, The menace is intelligent, The natives don’t all believe in the menace
Things A key to unlock the menace, A precious byproduct of the menace, The secret of the menace’s true nature
Places Guarded fortress containing the menace, Monitoring station, Scene of a prior outbreak of the menace