FF8 was the best! You can exploit enemies' weaknesses while at the same time boosting your stats to the point of being demi-gods as well as protecting against every status effect in the book. (Which, in effect, renders Malboros harmless.)
FF I
FF II
FF III
FF IV
FF V
FFVI
FFVII
FFVIII
FF IX
FF X
FF XI
FF XII
FF Tactics
FF Tactics Advance
FF Crystal Chronicles
Other Spin-offs... (Dirge of Cerebus, Mystic Quest, etc)