[QUOTE=
the armor ability is called Auto Phoenix and u use 1 phoenix down every time - if u have any (if not, u stay dead)...

[/QUOTE]

No,if two cha in your party die,the left cha will use two Phoenix downs.
And this ability only work if he/she doesn't inflicted with Berserk or Confuse .
It's really fun when I sometimes let Wakka kill others for loner overdrive mode and realize that he is trying to revive them.