We're fighting at the moment Jailer of Love in Remora and this is what we found out!
http://virtue.phpnet.us/images/jolnerf.jpg
The picture where I take full Blizzaga damage was right after arriving at the place, some sort of resistance PC's are now building versus him? At the moment only thing that's doing normal damage are TP moves and one of his melee hit landed for 200'ish dmg.
On top of that, his spells are getting interrupted by Dagger melee hits and SMN BP's constantly.