Quote Originally Posted by ForestOwl
If you have ST-Defx4 then junction 100 Confuse, Berserk, Pain and Sleep. If you just have ST-Defx2 then Confuse and Berserk are the main ones.

An easy way to defeat Malboros is to have Quistis on critical health and the Initative ability. As soon as the battle begins use Degenerator (Black Hole. Refine a Gesper card). Pandemona, Tonberry and Cactuar learn Initiative.
Thats exactly right