Adventure Title
Skull/Bone of (the) Night/Midnight/Shadow/Darkness

Alternate title
God(choose a diety) of the River

Opening Scene
A hidden temple that is Oppressive where they encounter Militia that is/are Suspicious

Plot hook and draw
A member of a secret society that is/has Asked for help

Plot Concept
Tear a gateway to an ancient era that is motivated by Forbidden knowledge

Primary Antagonist
An infernal sorcerer who/that is Psychotic

Plot fulfillment and location
A strange and alien device from Hyperborea