Originally Posted by
dancrilis
We don't know if The Dark One is - there is an element in SOD which may point to it but there is nothing in the online comic to suggest he is (and that bit in SOD is perhaps contradicted by online sources).
Gate is a lawful spell in this case and 'A cleric can’t cast spells of an alignment opposed to his own or his deity’s' but I don't think there is anything that indicates that Law is opposed to anything other then Chaos - so the Dark One cannot be chaotic I think is all we know from the online comic.