𝒕𝒂𝒕𝒕𝒐𝒐 ; 𝒔𝒂𝒔𝒖𝒏𝒂𝒓𝒖

Description ;

On Naruto's 12th birthday a tattoo suddenly appeared on his arm. It's a beautiful fox. But what does it supposed to mean?

Or

In a world where when a royalty turn 12 s/he will receive his/her power.

for example when your tattoo is ;

red ; you can control fire.
blue ; you can control water and ice.
yellow : telekinesis.
black ; you can easily manipulate someone or something and you'll have some black magic.
green ; you can control the weather and wind.
orange ; you'll be very intelligent and can control shadow.
purple ; you can see someone's past or can hear there thoughts.
white ; you can communicate and order animals.

But what if Naruto's tattoo is rainbow-colored? What's his power?