Adventure Title
Jewel/Gem/Amulet of (the) Night/Midnight/Shadow/Darkness

Alternate title
Demon/Devil/Fiend/Horror of the Forest

Opening Scene
An island that is Searing where they encounter Royalty that is/are Suspicious

Plot hook and draw
An ancient prophecy that is/has Has information on someone relevant who is missing or dead

Plot Concept
Gain control of a person or place that is motivated by To strike first

Primary Antagonist
An intelligent beast who/that is Ambitious

Plot fulfillment and location
A lock of hair from A cursed glade