Quote Originally Posted by SekhmetM View Post
The MND icon indicates you represent the MND buff in a party, if I recall correctly. It's only useless when not in a light or full party as shown in the screenshot.
It's not a buff. It represents which "roles" you have filled in the group.
WHM+SCH=MND
BRD+NIN=DEX
WAR+PLD=VIT
SCH=PIE
MNK+DRG=STR
It really is completely pointless and redundant