1) TBB - this is considered the most powerful technique in the NV
2) PERFECT SUSANOO - Its power was said to rival even the bijuu
3) Jinton - this technique destroys anything in its path, no matter what it's made of
4) Kirin - most powerful lightning technique that is not only powerful, but unavoidable.
5) Large Shinra Tensi - powerful gravitational force that can level a village.
6) C0 - super powerful explosion that can also level anything in 10 km
7) Kamui - no defense against this technique unless there is another s/t jutsu involved
8) Hirudora - a taijutsu technique that cause a massive and powerful shock wave.
9) rasenshuriken -rasengan enhanced with wind chakra to create a powerful and deadly ball of energy
10) reaper death seal - most powerful known sealing technique. If caught, there is no escape.
Can't think of more atm
