>>723448142
The heavy warrior class was always my favorite for the end game with its high attack, hp and break. Are you making use of your status effect spells (weapon enchantment or area effect like paralysis and sleep)? Because they help buy you time. I always made sure that before EVERY encounter my chant and maso are maxed out so that I can use any spells I need. Also, did you get the good gear from the fish monger?
If you have the 2nd best gear, you can gradually grind for the final gear (light saber, army/business suit, pumps) since one of the key components comes from the last stage's special boss.