sourwood

maybe just a general strengthening of their own and allied clan techniques, and training methods for those techniques. in this way they can raise the general level of all the shinobi of their clans in the way whisper was able to do. Also you can have him develop advanced release for the 5 main elements such as vacuum techniques to empower wind techniques, or purple lightning. something along those lines but for fire water and earth as well.

tftc

This dropped just as I was finishing a re-read of the story. Fantastic timing

Is this a repost?

great bridge chapter

great chapter

great idea

tftc

lives

that s on the end indicates multiple