That would be way too elitist for SE.
I'd be amused if it was Mime and it got an E in all stat ratings solo, but got the average of the party's when grouped up. And you had to use a JA to copy your party members' abilities one at a time (but the effects stay when you swap victims). And it could equip any non-job specific armour but it couldn't equip any Relics/Mythics/Empys/Adoulin Equivalents.
It'd be pretty amusing, if your WHM dies in an event you could just jump into that party, "Essence Jack" them and take over. The polyfiller of jobs. Times are good, it's another damage dealer, times are bad, it changes.
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