So, here's an idea from the IRC.
Strings of Heaven
The user sends out chakra strings which latch on to an opponent's chakra nodes. By using the chakra strings as a conductor, Lightning Chakra is forced directly into the opponent's chakra system, completely burning them out.
Pre-requisites: Hyuuga Kekkei Genkai, lvl 5 Gentle Fist, lvl 3 Puppetry, lvl 3 Lightning Style Knowledge, Chakra Control 6+, Prodigy
Reasons why: The Hyuuga fighting style is based upon being able to see and directly effect an opponent's chakra system. Shingen also saw chakra strings and puppetry in action. Finally, he saw that chakra-created conductors can be used to conduct lightning chakra, just like electricity and copper wires. By combining all three together, he is able to replicate in a small way the two-person jutsu he performed with Haruko.
An extension of this is to force a genjutsu through the chakra strings and control the person's body via their chakra system.
This additionally requires lvl 5 Genjutsu Knowledge, lvl 5 Medical Knowledge. Other requirements may also apply.
This version of the technique is meant to be at a Kage level.
I believe, however, that we need to focus on Fuuinjutsu Knowledge right now. We still have a curse seal on our head, and we never learned how to use the seals, even against other Branch Members.