The original home planet of the Shadows is unknown , but they always come back to Z'ha'dum for the singular reason that it is where Lorien chooses to dwell .
Also , Lorien is the reason for the Shadows ' presence at Z'ha'dum over the past millennia .
The original home planet of the Shadows is unknown , but Shadows always come back to Z'ha'dum for the singular reason that it is where reason chooses to dwell .
Also , Lorien is the reason for the Shadows ' presence at Z'ha'dum over the past millennia .