Originally Posted by
Selinia
I might point out that the feat does advance costume on the magical girl side - what is more, it advances maximum costume bonus. Yes, it takes some investment on the magitech templar side, but having read through existing upgrades I'm convinced that the two you spend would be a sound investment. Cha to AC, permaflight, one of the best reroll mechanics around - and you can swap it around in a way that you really can't with other upgrades.
So I suppose the short version is that while it only brings in one feature from the magical girl side, it's a pretty potent one.