Thank ya
To give an example, if you have Baptism of the Black Lexicon, and Baleful Utterance, you can use Baleful Utterance's special ability. If you have both Baleful Utterance and Dread Seizure, you can use both of their special abilities.I take this to mean: for each invocation you know in the style feat, you can use its associated power. Is this correct?
But, if you have Baleful Utterance, Dread Seizure, Word of Changing, but not Painful Slumber of Ages, you can only use Baleful Utterance and Dread Seizure's special abilities. You have to have each one in the order; you can't skip a invocation if you want to use the higher ones. I hope that makes it more clear.