No new SMNs for SMN?

[Bigcat9715]

If I recall, you get a stack of Dreadwyrm Trance everytime you use a Aetherflow-ability (Fester, Bane, etc.). Not sure.
I doubt they'd make it a huge CD, otherwise there would be no point of that ability after all. @_@;

So its a continuous buff like kiss of the wasp/viper, paladin Oaths, or defiance?