well for upping items it's good...can see each items max lvl that not waste stuff...like put 50 some item to get lvl in weapon max lvl...and actually need only 1...that's waste^^
omegaweapon etc was easy to max lvl...only like 1400000 gil per weapon...tier1 lvl1

tier 3 lvl 100...i thought it's much more
imo it's worth to get
