Nothing outrageous here. I'd just like to have an Akatsuki outfit for the main. And a Kage one. Kinda weird that we have all these nonsense outfits but few ones that relate to the show in some way. I'd keep it simple.

Akatsuki robe : +300 initiative; +300 resistance

These can come with other attributes like piercings, weapons and other things from whoever you think each main resembles. Like giving the Earth main Kakuzus eyes or, making wind main slightly resemble Konan or whatever funky correlation you can find. Water main with Kisame's face would be pretty cursed.

Kage robe : + 400 initiative; + 300 life

This one you can't go wrong with. Each main is the Kage of their own element.

Cheers