Death Embraces: Book Two (Mortis Series)

Natalie Pierce awakens to find herself buried in a box that strongly resembles a coffin. After some initial confusion she remembers that she has become a member of a very exclusive club; the living dead.
 
Natalie has three important tasks ahead of her. One: escape from her underground prison. Two: hunt down the creature responsible for imprisoning her. Three: discover who or what is behind the cause of the sentient shadows that only she can see.
 
According to an ancient prophecy, it is her destiny to wipe out the vast bulk of her own kind. Despite all of the weird and wacky powers that Nat has gained, it seems that not even Mortis can avoid her fate.