Actually in an interview Yoshi-P hinted at what the Astrologian's LB3 might be like, and if its anything like what he compared it to means it will be amazing. He compared it to the Astrologer's Celestial Stasis (or Galaxy Stop) from Final Fantasy Tactics, if you don't know what I am talking about here is a link:

http://finalfantasy.wikia.com/wiki/Celestial_Stasis