The duration of Dark Nature is 1.27 hours.
The duration of Dark Country is 1.47 hours.
The duration of Walk the Dark Street is 1.22 hours.
The duration of Weird Nature is 1800.0 seconds.
The duration of Rogue Nature is 2640.0 seconds.
The duration of Forces of Nature is 1.75 hours.
The duration of When Nature Calls is 1.47 hours.
The duration of The Dark Hours is 1.33 hours.
The duration of Dark Oracle is 1800.0 seconds.
The duration of Against the Dark is 1.55 hours.
The duration of The Dark Corner is 1.65 hours.
The duration of Escape from the Dark is 1.73 hours.
The duration of Candles in the Dark is 1.47 hours.