for a really easy way to breeze through 5-1 fight take;
1 x PLD
1 x BRD
1 x any DD
3 x SMN (with 2hr available)
3 x SMN astral flow on titan pawn the mobs completely, us the PLD to keep main boss occupied and BRD to pull other mobs near then hit 2hr thrice by the SMN's for easy an fast kills.
Xenon