Mysterious is derived from Mystery. Mystery is a synonym of Puzzle. Puzzle is related to Solution. Solution is related to Fix. 
Victim is related to Target. Target is related to Goal. Goal is related to Method. Method is related to Fan. 
Mysterious --DerivedFrom--> Mystery <--Synonym--> Puzzle <--RelatedTo--> Solution <--RelatedTo--> Fix 
Victim <--RelatedTo--> Target <--RelatedTo--> Goal <--RelatedTo--> Method <--RelatedTo--> Fan 