Interesting looking fight, looks like 2 new aspects of the fight
1) The "Powder Bomb", MNK stole hate and seamed to run to the others, bad idea imo, maybe if they ran away from everyone it would have only effected the one player. I'm thinking this actually discourages melee as the tank would be getting "bombed" and anyone in it's range would also.
2) Hellfire looked to have 4 fire pillars surrounding Ifrit, I normally stand at the edge during HF but this might hit you for more if you're near the middle.
Guess we're gonna have to see a winning vid to get a better understanding of the fight.