This is an atma FATE in the Central Shroud required by the Book of Skywind I atma book. We know that the atma FATEs have been adjusted to occur at a greater frequency, however this one mustn't have as I've been waiting over half an hour already with nothing. I waited quite a while this morning too... In fact, I haven't seen it pop for a long time when it used to be relatively often up as I ran past.

Any other experiences of the frequency of this particular FATE since 2.5?