You can have two kakasis for example, underneath their name when you view the character it might say kakashi hidden left eye or kakashi the best teacger try to find two kakashi with the same thing and enhance one with the other
CHECK OUT THIS VIDEO, ITS A CINEMATIC OF GAARA AND NARUTO'S SAD SCENE RE CREATED IN NARUTO BLAZING, WORTH CHECKING OUT!
The Danzo S-Rank 28 and lower cost mission is SUPER DIFFICULT! If you guys want a guide on how to do this, I have made a Youtube Video explaining how to go about doing this Mission without Pearls! Hopefully this post doesnt get taken down because I want to help those do this mission efficiently since it is for educational purposes only https://www.youtube.com/watch?v=5Kpx-2xvjnc